Download Diagnostics Tools for Windows

Diagnostics

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Tweaking.com - Windows Repair - Tweaking.com - Windows Repair is an all-in-one repair tool to help fix many known Windows problems, including registry errors and file permissions. Video tutorial available.
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AATools 5.92 [ 2005-12-22 | 2.1 MB | Shareware $75.00 | Win All | 42935 | 5 ]

A multithreaded network diagnostic tool.

AdRem WMI Tools 8.0.0.16 [ 2015-09-01 | 8.9 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 13797 | 5 ]

WMI Tools is a useful diagnostic tool which allows you to, remotely or locally, access all WMI information.

AIO Boot 0.9.9.19 [ 2020-10-24 | 32.4 MB | Open Source | Windows Any | 98915 | 5 ]

AIO Boot can help you create a bootable USB with Grub2, Grub4dos, Syslinux, Clover, and rEFInd, as well as boot Windows and most Linux distributions.

AIO Boot NewGen 23.06.02 [ 2023-06-02 | 14 MB | Freeware | 11|10|8|7 | 4631 | 5 ]

AIO Boot NewGen is the next iteration of AIO Boot, designed as a lightweight app that uses Grub 2.06 as the default bootloader.

All in One – System Rescue Toolkit 2018-01-02 [ 2018-01-03 | 663 MB | Freeware | 10|8|7|Vista|XP | 117918 | 5 ]

All in One – System Rescue Toolkit is designed to quickly and efficiently aid a technician with troubleshooting and repairing Windows based PCs. Lite version also available.

All in One System Rescue Toolkit Lite (AiO-SRT Lite) 2018-01-02 [ 2018-01-03 | 4.57 MB | Freeware | 10|8|7|Vista|XP | 38586 | 5 ]

All in One System Rescue Toolkit Lite (AiO-SRT Lite) provides users with an easy-to-use troubleshooting tool using critical automated processes borrowed from the author's full version of the same name.

Artifact Tester 5.0 [ 2002-01-18 | 118 kb | Freeware | Win 9x/ME/NT/2000 | 86787 | 5 ]

Test the stability of overclocked video cards.

Asus Tempster 2.00 [ 2003-08-26 | 3.4 MB | Freeware | Win All | 78727 | 4 ]

CPU temperature monitoring and guarding software for Asus boards.

Asus Tempster Update 2.03 [ 2002-01-18 | 123 KB | Freeware | Win All | 36345 | 3 ]

Update file to Asus Tempster 2.00 to 2.03

Bad Shortcut Killer 2.0 [ 2013-06-14 | 1.68 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 26033 | 3 ]

Bad Shortcut Killer can clean your start menu and desktop from invalid shortcuts.

Bart's PE Builder 3.1.10a [ 2016-10-16 | 3.2 MB | Freeware | 10|8|7|Vista|XP | 208190 | 5 ]

Bart's PE Builder can build a bootable CD-ROM or DVD of Windows XP or Windows Server 2003. Project has been abandoned.

Batch Scripting Pack 1.0 [ 2018-01-15 | 35 KB | Open Source | Win 10 / 8 / 7 / Vista / XP | 3510 | 5 ]

Batch Scripting Pack is a collection of Open Source programs, many never finished, written in Batch Scripting Language for someone to learn from or modify.

BATExpert 1.14.5 [ 2023-04-22 | 4 MB | Freeware | 11|10|8|7 | 61354 | 5 ]

BATExpert gives you a crystal-clear vision of your laptop battery health status right at your fingertips.

Battery Optimizer 3.2.3.6 [ 2022-02-04 | 3 MB | Freeware | 11|10|8|7 | 38226 | 4 ]

Battery Optimizer is an advanced laptop optimization utility that uses advanced diagnostics and testing to guide you to get better battery life.

BatteryCare 0.9.36.1 [ 2021-08-16 | 2.09 MB | Ad-Supported | 11|10|8|7 | 61628 | 5 ]

BatteryCare is designed to optimize the usage and performance of the modern laptop's battery.

BatteryMon 2.1 Build 1010 [ 2017-08-09 | 1.23 MB | Shareware $24.00 | Win 10 / 8 / 7 / Vista / XP | 31992 | 3 ]

BatteryMon is an easy-to-use Windows based application for monitoring the performance of laptop batteries and uninterruptible power supplies (UPS).

BHT Unified Patch 3.2.0 [ 2007-07-02 | 1.39 MB | Freeware | Win All | 21878 | 4 ]

This will patch BHT from 3.1.0 to 3.2.0.

BIOS Beep Codes Viewer 11.3.1.1992 Beta 3 [ 2024-12-10 | 4 MB | Ad-Supported | 11|10|8|7 | 1049 | 5 ]

BIOS Beep Codes Viewer helps diagnose computer issues by interpreting BIOS beep codes during system checks and start-up. Portable version is also available.

BIOS Beep Codes Viewer Portable 11.1.1.1959 Beta 1 [ 2023-11-02 | 3 MB | Freeware | 11|10|8|7 | 935 | 5 ]

BIOS Beep Codes Viewer Portable helps diagnose computer issues by interpreting BIOS beep codes during system checks and start-up. Instraller also available.

BlueScreenView 1.55 [ 2015-01-29 | 65.7 KB | Freeware | 10|8|7|Vista|XP | 243429 | 5 ]

BlueScreenView scans all your minidump files created during 'blue screen of death' crashes and displays the information.

Boot-Repair-Disk 32-Bit 12/16/21 [ 2021-12-16 | 975 MB | Freeware | Windows Any | 73498 | 5 ]

Boot-Repair-Disk is a Linux-based bootable DVD designed to repair any Windows computer that won't boot. It is a tool for when all else fails. Available for 64-Bit here although they are rarely updated at the same time.

Boot-Repair-Disk 64-Bit 6/13/20 [ 2020-06-13 | 880 MB | Freeware | Windows Any | 136116 | 5 ]

Boot-Repair-Disk is a Linux-based bootable DVD designed to repair any Windows computer that won't boot. It is a tool for when all else fails. Available for 32-Bit here.

Bootzilla 5.3.0 [ 2011-01-29 | 146 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 122978 | 5 ]

BootZilla is a toolkit of popular and effective tools to remove viral and spyware infections.

Cable Modem Diagnostic 1.0.4 [ 2006-06-27 | 785 KB | Freeware | Win XP/2K/2003 | 54874 | 3 ]

Remote measuring of basis parameters of cable modems.

Calibrite PROFILER 1.3.3 [ 2024-09-26 | 180 MB | Open Source | 11|10|8|7|macOS | 824 | 5 ]

Calibrite PROFILER provides an intuitive and easy-to-use calibration software solution for Calibrite calibration devices.

CDSpeed 32 1.01 [ 2002-01-18 | 64 KB | Freeware | Win All | 27331 | 3 ]

CD drive speed measurement tool.

Chainsaw 2.12.2 [ 2025-03-22 | 4 MB | Open Source | 11|10|8|7|Linux|macOS | 4293 | 5 ]

Chainsaw allows advanced users to search and hunt through Windows Event Logs rapidly.

Clear All Event Logs in Event Viewer in Windows [ 2020-02-05 | 1 KB | Freeware | Win 10 / 8 / 7 | 11343 | 5 ]

Clear All Event Logs in Event Viewer in Windows contains a batch file to automate and simplify the process of deleting all of the Event Logs in Event Viewer in Windows. Alternative methods are explained in this tutorial. A video guide is also available.

CompDoctor E-Book 4.0 [ 2007-12-16 | 15.4 MB | Shareware $14.95 | Win All | 44022 | 4 ]

A database of computer problems and how to fix them.

ConfigMgr Client Health 0.8.3 [ 2020-11-16 | 3.40 MB | Freeware | 10|8|7 | 11486 | 5 ]

ConfigMgr Client Health detects and fixes known errors in Windows and the Configuration Manager Client and enforces required services to run and start as Automatic.

Connection Checker 1.12 [ 2002-05-29 | 706 KB | Shareware $10.00 | Win All | 27587 | 3 ]

Detects whether your connection to Internet functions or not.

CoolerControl for Linux is packed with features for efficiently managing and controlling cooling devices.

Corsair Link 4.9.9.3 [ 2019-01-28 | 40.4 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 20051 | 4 ]

Corsair Link gives you access and control over case fans, lighting, compatible Corsair power supplies and Hydro Series liquid CPU coolers all from a centralized command center.

CPU Stability Test 6.0 [ 2002-01-18 | 430 KB | Freeware | Win All | 296822 | 5 ]

Torture test your computer's Central Processing Unit.

CPUCooL 8.1.0 $\Hot$ [ 2011-12-05 | 4.00 MB | Shareware $17.95 | Win 10 / 8 / 7 / Vista / XP | 752201 | 5 ]

CPU Cool is a set of tools designed to cool, optimize and monitor your system. Project has been abandoned.

CPUCool (Russian and Chinese) 7.3.8 [ 2003-11-09 | 1.7 MB | Shareware $15.00 | Win 10 / 8 / 7 / Vista / XP | 33620 | 5 ]

CPU Cool is a set of tools designed to cool, optimize and monitor your system. Project has been abandoned.

CPUCooL Beta 7.3 [ 2004-06-27 | 954 KB | Shareware $19.95 | Win 10 / 8 / 7 / Vista / XP | 25254 | 5 ]

CPU Cool is a set of tools designed to cool, optimize and monitor your system. Project has been abandoned.

Crisis Aversion Tool 1.1 [ 2011-07-13 | 1.17 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 25831 | 4 ]

Crisis Aversion Tool aides in computer repairs with a large collection of commonly needed windows fixes, a full Restore Point Manager, research tools/links, and more.

Daisy 2.2 [ 2004-04-27 | 2.4 MB | Freeware | Win XP/2003/08/Vista/Windows7 | 45291 | 4 ]

An intelligent auto-hotfix utility for Microsoft Windows 2000 and XP.

Default Programs Manager 1.0.2 [ 2020-05-29 | 786 KB | Freeware | 10|8 | 1872 | 5 ]

Default Programs Manager provides you with the ability to save your chosen default programs.

Dependency Walker 2.2 [ 2006-11-16 | 596 KB | Freeware | Win All | 36219 | 4 ]

Builds a hierarchical tree diagram of all dependent modules.

Device Remover 0.9.5354.41410 [ 2016-10-16 | 5.60 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 103513 | 5 ]

Device Remover is a Device Manager alternative. Project has been abandoned.

DIAG 4.60 [ 2003-08-08 | 691 KB | Shareware $10 EUR | Win All | 40063 | 4 ]

Tests and benchmarks you hardware and software.

Diagnostic Data Viewer 4.2007.3014.0 [ 2020-11-01 | 29.7 MB | Freeware | 10 | 4891 | 5 ]

Diagnostic Data Viewer allows you to instantly view the diagnostic data that Microsoft collects from Windows and Office in real-time based on the privacy choices made in your diagnostics settings.

DiskSpeed32 3.0.0.5 [ 2002-09-26 | 378 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 45594 | 4 ]

A program for hard drive speed measurement.

DPC Latency Checker (DPC) 1.0.0.7 [ 2025-05-05 | 31 MB | Freeware | 11|10 | 1236 | 5 ]

DPC Latency Checker (DPC) is a valuable tool that helps identify and diagnose issues related to Deferred Procedure Call (DPC) latency on Windows systems.

Dr. Hardware 2018 18.0.0 [ 2018-01-11 | 3.22 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista / XP | 132678 | 5 ]

Dr. Hardware is a fully-featured system information and diagnostic app.

DriveSpeed 3.10 [ 2002-01-19 | 93 KB | Freeware | DOS | 26068 | 3 ]

Tests the write and read speed of any drive.

Enable Windows Error Reporting Crash Dumps 1.1 [ 2020-12-02 | 10 KB | Freeware | 10 | 1266 | 5 ]

Enable Windows Error Reporting (WER) Crash Dumps via PowerShell is a PowerShell script to enable or disable Windows Error Reporting full or minidumps.

Error Lookup 2.6.1 [ 2025-01-07 | 597 KB | Freeware | 11|10|8|7 | 42305 | 5 ]

Error Lookup is a lightweight program for retrieving information about Windows errors.

Error Messages For Windows 3.0 $\Hot$ [ 2013-04-06 | 162 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 114529 | 5 ]

Error Messages For Windows lets you look up Microsoft Windows error code numbers and tell you what it means.

Event Log Explorer 5.6 [ 2024-10-29 | 10 MB | Freemium | 11|10|8|7 | 29713 | 5 ]

Event Log Explorer enables you to diagnose any issues generated within Windows quickly.

EventLook 1.6.4.0 / 1.0.8.0 [ 2025-05-28 | Size Varies | Open Source | 11|10 | 3104 | 5 ]

EventLook is a free, portable app designed to be a better alternative to the Windows event viewer.

ExecutedProgramsList 1.11 [ 2016-03-21 | 52 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 23453 | 5 ]

ExecutedProgramsList is a simple tool that displays a list of programs and batch files that you previously executed on your system.

FileAccessErrorView 1.32 [ 2023-07-17 | 83 KB | Freeware | 11|10|8|7 | 10294 | 4 ]

FileAccessErrorView reveals error details when a program attempts to open/read/write/delete a file.

Fresh Diagnose 8.67 [ 2013-02-22 | 2.13 MB | Freeware | Win XP/2003/08/Vista/Windows7 | 188488 | 4 ]

Fresh Diagnose is an utility designed to analyze and benchmark your computer system. It can analyze and benchmark many kinds of hardware, such as CPU performance, hard disk performance and many more.

Game Controller Tester 1.7.26.0 [ 2020-12-17 | 4.53 MB | Freeware | 10 | 14474 | 5 ]

Game Controller Tester is designed to test all the buttons, triggers, etc., are functioning as they should.

Gamepad Tester .NET Edition 18.9 [ 2025-06-03 | 4 MB | Freeware | 11|10|8|7 | 2799 | 5 ]

Gamepad Tester is a portable app that allows you to test your Xbox controller's buttons, triggers, thumbsticks, and vibration motors for issues.

Hard Drive Engine 1.2 [ 2023-05-25 | 3 MB | Freeware | 11|10 | 1530 | 5 ]

Hard Drive Engine enables you to run hard drive diagnostics through a simple but effective utility.

HARDiNFO Enterprise 6.01 Build 3180 [ 2008-07-17 | 28.1MB | Shareware $114.00+ | Win 10 / 8 / 7 / Vista | 28177 | 3 ]

HARDiNFO Enterprise is a system information, diagnostic, network monitor, benchmark and computer management application. HARDiNFO Free for home users is available for download here.

HARDiNFO Professional 6.00 Build 3150 [ 2008-05-02 | 21 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista | 35703 | 4 ]

HARDiNFO Professional is a system information, diagnostic, network monitor, benchmark and computer management application. HARDiNFO Free for home users is available for download here.

HeavyLoad 3.9.1.354 [ 2023-07-05 | 18 MB | Freeware | 11|10|8 | 84552 | 4 ]

HeavyLoad is intended to stress all resources of a PC (like CPU, RAM, hard disk, network, operating system, etc.) in order to test if it will run reliably under heavy load.

Hiren's BootCD 15.2 [ 2018-06-21 | 593 MB | Freeware | Windows Any | 111134 | 5 ]

Hiren’s BootCD is an emergency, bootable diagnostic boot disk. Hiren's BootCD PE is an emergency diagnostic boot disk based on Windows 10 PE x64.

Hiren's BootCD PE 1.0.8 [ 2024-03-05 | 3.1 GB | Freeware | Windows Any | 93846 | 5 ]

Hiren’s BootCD PE is an emergency diagnostic boot disk based on Windows 10 PE x64. Hiren's BootCD is the original emergency diagnostic boot disk.

Hmonitor 4.5.4.2 [ 2015-03-31 | 1.78 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista / XP | 71092 | 4 ]

Hardware Sensors Monitor (Hmonitor) utilizes sensor chips on smart motherboards to track system and CPU core temperatures, voltages and cooling fans.

Hot CPU Tester Pro 4.4.1 [ 2007-05-17 | 1.6 MB | Shareware $19.95 | Win 10 / 8 / 7 / Vista / XP | 185514 | 5 ]

Test CPU, chipset and all parts of motherboard for errors/bugs, defective parts, etc.

HP Battery Program Validation Utility 8.0.7600 [ 2018-01-06 | 806 KB | Freeware | Win 10 | 10456 | 5 ]

HP Battery Program Validation Utility will check if the battery in your Hewlett Packard notebook to see it needs replacement part of the lithium-ion battery recall.

Imtec Battery Mark 1.1 [ 2014-11-07 | 646 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 14850 | 5 ]

Imtec Battery Mark is a program designed to test the battery laptop. Project has been abandoned.

Intel Processor Diagnostic Tool 4.1.9.41 [ 2024-01-12 | 7-18 MB | Freeware | 11|10|8|7 | 47872 | 5 ]

The Intel Processor Diagnostic Tool is provided to verify the functionality of an Intel microprocessor.

Iolo System Checkup 5.0.3.226 [ 2019-01-23 | 10.6 MB | Shareware $4.95+ | Win 10 / 8 / 7 / Vista / XP | 21721 | 3 ]

Find out what's slowing your PC down with a free 3-minute scan. Iolo System Checkup runs a comprehensive 148-point diagnosis on your computer and uncovers the 9 most severe root causes of errors, slowdowns, and crashes.

IP Refresh Lite 1.1.9 [ 2002-03-14 | 1 MB | Freeware | Win All | 34242 | 4 ]

A free DHCP client diagnostic tool.

IsMyTouchScreenOK 2.82 [ 2025-04-08 | 65 KB | Freeware | 11|10|8|7 | 5569 | 5 ]

IsMyTouchScreenOK is a portable app that allows you to check your LCD or plasma monitor for properly functioning multi-touch.

Kaspersky System Checker 1.2.0.290 [ 2019-02-26 | 51 MB | Freeware | 10|8|7 | 121806 | 5 ]

Kaspersky System Checker examines your system for any software vulnerabilities, malware, and viruses, as well as providing hardware details. Video tutorial available.

KeyboardTest 4.0 Build 1003 [ 2024-04-03 | 12 MB | Shareware $29.00 | 11|10|8|7 | 31258 | 3 ]

KeyboardTest can quickly check that all the keys are functioning correctly and look at the internal scan codes being generated by the keyboard.

LatencyMon 7.31 [ 2023-07-31 | 4 MB | Freeware | 11|10|8|7 | 125288 | 5 ]

LatencyMon checks if a system running Windows is suitable for processing real-time audio and other tasks.

LikeNEWPC 3.0.0 [ 2018-04-23 | 5.68 MB | Freeware | 10|8|7 | 14688 | 5 ]

LikeNEWPC is designed to fix disabled, badly infected, and slow computers. It uses 12 industry-leading tools to restore your computer to like-new, including Tweaking.Com Windows Repair.

Live Kernel Memory Dump 1.0 [ 2017-11-30 | 152 KB | Freeware | Win 10 / 8 | 4638 | 5 ]

Live Kernel Memory Dump (LKMD) is an advanced Windows console utility that allows you to dump live kernel memory without having to force the system down.

Macs Fan Control 1.5.17 [ 2024-12-16 | 23 MB | Open Source / Freemium | 11|10|8|7|macOS | 8730 | 4 ]

Macs Fan Control allows you to control various vital aspects of fans including noise and overheating issues on Macintosh machines running Windows.

Malwarebytes Support Tool 1.9.13.1048 [ 2025-05-06 | 14 MB | Freeware | 11|10|8|7 | 11776 | 4 ]

Malwarebytes Support Tool assists you to troubleshoot issues with Malwarebytes for Windows and more.

Matrox Mini Diagnostic 2.10.00 [ 2002-04-03 | 885 KB | Freeware | Win All | 24245 | 3 ]

Diagnostic program for Matrox video cards.

Microsoft Debug Diagnostics Tool 2.3.0.37 [ 2021-03-05 | 27.3 MB | Freeware | 10|8|7 | 25709 | 5 ]

Microsoft Debug Diagnostics Tool is designed to help troubleshoot issues such as hangs, slow performance, memory leaks or fragmentation, and crashes in any user-mode process.

Microsoft Fix it Center Portable 3.5.0.41 [ 2012-04-03 | 340 KB | Freeware | 10|8|7|Vista|XP | 240187 | 4 ]

Microsoft Fix it Center Portable finds and fixes many common PC and device problems automatically.

Microsoft Support and Recovery Assistant (SaRA) 17.01.2465.000 [ 2024-11-22 | 82 MB | Freeware | 11|10 | 22510 | 5 ]

Microsoft Support and Recovery Assistant (SaRA) is a desktop client that enables Microsoft customers to troubleshoot and diagnose their issues.

Microsoft Surface Diagnostic Toolkit 2.34.139.0 [ 2019-04-26 | 29.5 MB | Freeware | Win 10 | 18455 | 5 ]

Microsoft Surface Diagnostic Toolkit runs a series of tests to diagnose issues with Surface devices.

Microsoft Sysinternals Suite 05.05.2025 [ 2025-05-06 | 167 MB | Freeware | 11|10|8|7 | 393184 | 5 ]

Microsoft Sysinternals Suite is a portable app containing dozens of Sysinternals troubleshooting utilities and Help files.

Microsoft Windows Explorer Crash in Windows 7 (Hotfix KB2638018) fixes the Windows Explorer crash when opened in Windows 7, or a registry fix is also provided.

Microsoft Windows Live OneCare Removal Utility 6.1.22.0 [ 2017-05-30 | 739 KB | Freeware | Win 10 / 8 / 7 / Vista | 31963 | 4 ]

Microsoft Windows Live OneCare Removal Utility can repair the firewall component of OneCare if not installed correctly.

Modem Doctor 3.1 [ 2005-11-10 | 369 KB | Shareware $9.95+ | Win All | 31478 | 4 ]

Performs over 60 tests of your modem and serial port.

Motherboard Monitor 5.3.7.0 $\Pick$ [ 2004-06-18 | 1.2 MB | Freeware | Win All | 2769335 | 5 ]

Displays information from the sensor chips on your motherboard.

Motherboard Monitor 5.3.7.0 Update 2 [ 2006-09-13 | 348 KB | Freeware | Win All | 68701 | 5 ]

Update Motherboard Monitor 5.3.7.0 to 5.3.7.2

My BootDisk 2.71 [ 2003-07-07 | 569 KB | Shareware $25.00 | Win All | 54024 | 4 ]

Start-up disk with system repair utilities, NTFS support and more.

Net Guru 1.9b Build 128 [ 2002-01-20 | 1 MB | Shareware $15.00 | Win All | 22855 | 3 ]

A powerful tool to help you use you connection more efficiently.

NfoNak 6.1.1 [ 2003-08-27 | 661 KB | Freeware | Win XP | 24405 | 3 ]

A diagnostic screensaver program.

Not My Fault 4.20.0.0 [ 2019-06-18 | 1.02 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 12658 | 5 ]

Not My Fault can crash your computer in a number of different ways.

NoteBook FanControl (NBFC) 1.6.3 [ 2019-04-15 | 2.20 MB | Open Source | Win 10 / 8 / 7 | 54627 | 5 ]

NoteBook FanControl is a cross-platform fan control service for notebooks that permits you to adjust your fan speed.

NotMyFault 4.21 [ 2022-09-29 | 2 MB | Freeware | 11|10|8|7 | 51385 | 5 ]

NotMyFault is a free tool to crash, hang, and cause kernel memory leaks to learn how to diagnose different device and hardware problems on Windows systems.

NVPerfHUD 2.1 [ 2005-05-30 | 2.2 MB | Freeware | Win All | 22610 | 3 ]

Analyze your graphics pipeline performance one stage at a time.

NWin 2.022 [ 2004-02-07 | 4.7 MB | Freeware | Win All | 21435 | 3 ]

A loudspeaker production test system.

OneNote Diagnostics Tool 1.0.0.0 [ 2016-07-28 | 1.75 MB | Freeware | Win 10 / 8 / 7 | 5098 | 5 ]

OneNote Diagnostics Tool is, as the name implies, a tool for helping gather data about OneNote issues enabling the Microsoft Support Team to address them in the most efficient manner.

OS Check 1.2 build 1000 [ 2005-05-26 | 429 KB | Shareware $15.00 | Win All | 25373 | 3 ]

Verify the installation of the operating systems and applications.

Panic Button 2.5 [ 2007-10-20 | 5.23 MB | Freeware | Win All | 13656 | 3 ]

Intended to help support end users by emailing screenshots or error codes.

Passmark BurnInTest Linux 5.0.1013 [ 2024-08-08 | 6 MB | Shareware $135.00 | Linux | 78271 | 4 ]

Passmark BurnInTest Linux is a software tool that allows all the major sub-systems of a computer to be simultaneously tested for reliability and stability.

Passmark BurnInTest Windows 11.0 Build 1011 [ 2025-06-04 | 172 MB | Shareware $119.00 | 11|10|8|7 | 111779 | 4 ]

BurnInTest Windows is a software tool that allows all the major sub-systems of a computer to be simultaneously tested for reliability and stability. Also available for Linux.

Passmark Modem Test 1.3 Build 1013 [ 2012-05-09 | 809 KB | Freeware | 11 | 31845 | 3 ]

PassMark ModemTest allows users to test their dial-up modem by performing low-level testing independent of your Internet Service Provider and TCP/IP settings.

PC Diagnose 2.00.162 [ 2007-04-09 | 414 KB | Freeware | Win All | 24875 | 3 ]

Determine actual speed of computer hardware components in realtime.

pcBaseline 1.0.3 [ 2008-02-28 | 9.04 MB | Shareware | Win 10 / 8 / 7 / Vista / XP | 15688 | 4 ]

pcBaseline allows you to create baselines (or snapshots) of vital aspects of your computer to track changes. Project has been abandoned.

PCI List 2.22 [ 2002-01-20 | 153 kb | Freeware | Win 9x/ME | 38143 | 4 ]

Tests the capabilities of AGP Graphics cards.

PCISniffer 3.0 [ 2016-08-27 | 19.0 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 39654 | 4 ]

PCISniffer performs a complete PCI-diagnosis & reports device and vendor names as well as other PCI device information in plain text.

Precise CPU Stress 1.3.0.6 [ 2022-10-11 | 561 KB | Freeware | 11|10|8|7 | 6692 | 5 ]

Precise CPU Stress stresses your system in an adjustable and variable level based on CPU and RAM usage.

Protector Plus - Windows Vulnerability Scanner 5.4 [ 2015-04-23 | 1.48 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 185698 | 4 ]

Protector Plus - Windows Vulnerability Scanner checks your system for Windows Vulnerabilities.

QuickDiag 8.28.22.1 [ 2022-01-29 | 5 MB | Freeware | 10|8|7 | 16236 | 5 ]

QuickDiag will quickly scan your machine resulting in a detailed report about all software and hardware components.

RDP-Parser 1.1 [ 2018-12-09 | 2.86 MB | Open Source | Win 10 / 8 / 7 / Vista / XP | 2263 | 5 ]

RDP-Parser extracts RDP activities from Microsoft Windows Event Logs. This tool has been designed for any investigation involving exploitation of RDP service. It supports Evt and Evtx formats.

Repairs Windows XP Help and Support rev 03/25/2002 [ 2012-03-04 | 1.74 KB | Freeware | Win XP | 8462 | 5 ]

Repairs Windows XP Help and Support will repair your Repairs Windows XP Help and Support if it won't open.

RestartExplorer [ 2017-04-26 | 3 KB | Freeware | Win 10 / 8 / 7 / Vista | 4214 | 5 ]

RestartExplorer can do a 'graceful' restart of the Explorer shell (File Explorer, Windows Explorer) in Windows.

Riot Isolator 1.3 [ 2017-08-16 | 2.47 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 5700 | 4 ]

Riot Isolator is a complete suite of tools to optimize your privacy including RAM cleaner, drive cleaner, unlock files, eraser, anti-exploit, and more.

Runtime's DiskExplorer for FAT 4.30 [ 2012-09-16 | 1.7 MB | Shareware $49.00 | Win 10 / 8 / 7 / Vista / XP | 26330 | 4 ]

Runtime's DiskExplorer for FAT is a Windows based Disk Editor for FAT file systems.

Runtime's DiskExplorer for NTFS 3.41 [ 2009-06-15 | 1.61 MB | Shareware $69.00 | Win 10 / 8 / 7 / Vista / XP | 33559 | 4 ]

Runtime's DiskExplorer for NTFS enables you to investigate your NTFS drive and conduct your data recovery.

RxTx 3.2 [ 2002-06-29 | 102 KB | Freeware | Win All | 28750 | 4 ]

Measures the data transfer of your computer.

Safe Mode Launcher 1.1 [ 2022-01-02 | 966 KB | Freeware | 11|10|8|7 | 5278 | 5 ]

Safe Mode Launcher is a portable utility that gives you a simple option through a Windows GUI for the Safe Mode options.

SARDU 5.5.0 [ 2024-10-09 | 40 MB | Freemium | 11|10|8|7|Linux | 80536 | 4 ]

SARDU multiboot creator builds a multiboot USB stick (or other removable) for PC and Mac with Utilities, Antivirus, Windows PE, and more in a few minutes without making partitions and without any knowledge of Multiboot systems.

SecurityCheck 1.4.0.53 [ 2017-10-29 | 506 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 6185 | 5 ]

CheckSecurity is a utility for quickly checking for the presence of vulnerable applications.

Sergei Strelec's WinPE 2025.04.24 [ 2024-04-24 | 4.5 GB | Freeware | Windows Any | 869836 | 5 ]

Sergei Strelec's WinPE creates a bootable DVD or thumb drive for PC maintenance, including partitioning, backup and restoring, diagnostics, data recovery, and more. Current users can download the smaller update here or 64-bit Windows 10/11 only here.

Sergei Strelec's WinPE 64-Bit for Windows 10 and 11 2025.05.22 [ 2025-05-28 | 3.2 GB | Freeware | 11|10 | 14042 | 5 ]

Sergei Strelec's WinPE 64-Bit for Windows 10/11 creates a bootable DVD or thumb drive for PC maintenance, including partitioning, backup and restoring, diagnostics, data recovery, and more. There are 32 and 64-bit and a smaller update available.

Sergei Strelec's WinPE Update 2025.02.17 [ 2025-02-17 | 606 MB | Freeware | Windows Any | 15664 | 5 ]

Sergei Strelec's WinPE Update is for updating to the latest version of Sergei Strelec's WinPE.

Serial Device Test Utility 1.5.0.13 [ 2002-11-06 | 628 KB | Shareware $15.00 | Win All | 20201 | 4 ]

Designed to assist with the debugging of serial communications.

SF Diagnostic Tool 5.0.0.6 [ 2012-11-11 | 303 KB | Freeware | 10|8|7|Vista|XP | 32411 | 4 ]

SF Diagnostic Tool can collect the information required to analyze the Blue Screen of Death and other troubleshooting.

SFC Utility 1.1 [ 2018-09-16 | 1.44 KB | Freeware | 10|8|7|Vista|XP | 23183 | 5 ]

SFC Utility is a MajorGeeks user-designed SFC (system file checker) batch file that can be run without any user input.

SFCFix 3.0.2.1 [ 2019-06-16 | 2.21 MB | Freeware | 10|8|7 | 160100 | 5 ]

SFCFix is a tool designed to automatically repair the file system and registry corruptions detected by SFC /SCANNOW. SFCFix uses advanced algorithmic searches to find and replace corrupt/missing system files.

SimpleProgramDebugger 1.16 [ 2022-09-12 | 75 KB | Freeware | 11|10|8|7 | 13786 | 5 ]

SimpleProgramDebugger is a simple debugging tool for Windows that attaches to an existing running program or starts a new program in debugging mode and then displays all major debugging events that occur while the program is running.

SimpleWMIView 1.56 [ 2025-04-19 | 93 KB | Freeware | 11|10|8|7 | 48721 | 3 ]

SimpleWMIView is a simple freeware tool for Windows that displays the result of WMI queries in a simple table and more

SoundCheck 3.0 Build 1003 [ 2012-05-12 | 870 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 26237 | 3 ]

PassMark SoundCheck is a Windows based application that allows users to test their PC sound card, speakers and microphone.

SpeedFan 4.52 [ 2016-06-29 | 2.94 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 1358963 | 5 ]

SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips.

SpeedFan 4.52 Beta 4 [ 2015-10-30 | 1.75 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 51607 | 4 ]

SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips.

SSW Diagnostics 3.89 [ 2006-08-01 | 6.7 MB | Freeware | Win All | 40187 | 4 ]

Keep your system up to date, and resolve software compatibility issues.

StressMyPC 5.55 [ 2025-02-28 | 101 KB | Freeware | 11|10|8|7 | 175009 | 4 ]

Stress My PC is a freeware stress testing software designed to perform a computer stress test.

StressTheGPU 1.23 [ 2025-03-17 | 251 KB | Freeware | 11|10|8|7 | 1213 | 5 ]

StressTheGPU allows you to perform stressing and maxing out of your graphics cards.

Super Grub2 Disk 2.06s4 [ 2024-07-31 | 94 MB | Open Source | Windows Any | 15575 | 5 ]

Super Grub2 Disk enables you to boot into most operating systems when you are not permitted to do so by conventional means. This download includes the USB and CD or DVD ISO.

Switch Hitter 1.0 [ 2015-06-18 | 640 KB | Freeware | 10|8|7 | 101892 | 5 ]

Switch Hitter is a keyboard diagnostic program that allows for key actuation testing and aims to alleviate difficulty in switch bounce/chatter diagnosis.

System Analyser 5.3x [ 2011-12-26 | 242 KB | Shareware $12.00 | Win 10 / 8 / 7 / Vista / XP | 42194 | 4 ]

System Analyser detects and provides information about all the hardware in your computer.

System Stability Tester 1.5.1 [ 2012-07-30 | 5.41 MB | Freeware | Win 2K/03/XP/Vista | 25246 | 4 ]

System Stability Tester tries to test the system's stability by calculating up to 128 millions of Pi. The calculation algorithm is the Quadratic Convergence of Borwein.

SystemRescueCd 12.01 [ 2025-05-26 | 1.1 GB | Open Source | 11|10|8|7|Linux | 160326 | 5 ]

SystemRescueCd is a Linux system rescue disk available as a bootable CD-ROM or USB stick to administrate or repair your system and data after a crash.

Sys_Minion 2024.12.98.1 [ 2024-12-23 | 4 MB | Freeware | 11|10|8|7 | 14411 | 5 ]

Sys_Minion is geared towards providing shortcuts to a small list of common, hard-to-find, and even hidden Windows utilities. Video tutorial available.

TailExpert 1.0.8265.20824 [ 2022-10-03 | 33 MB | Freemium | 11|10|8|7 | 106409 | 5 ]

TailExpert is a reliable system tool that analyzes log files, event logs, debug logs, and system logs.

TechFacts XP 2.60 [ 2002-08-24 | 1.6 MB | Shareware $20.00 | Win All | 27571 | 3 ]

Complete diagnostics, monitoring and troubleshooting.

TestCPU 0.96 [ 2002-02-18 | 580 KB | Freeware | Win9x/ME/NT/2K | 57232 | 5 ]

TestCPU is a processor detector and benchmark. It not only identifies your CPU and its features but also shows a picture of it. Runs simple benchmarks. It has a museum with pictures and feature info for every major Intel, AMD, Cyrix & Centaur CPU since the 386DX!

The Ultimate Troubleshooter 4.92 [ 2010-03-06 | 23.8 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista / XP | 59423 | 5 ]

The Ultimate Troubleshooter (TUT) is a PC tuning and troubleshooting tool. Project has been abandoned.

ToolStar Test 2.17k [ 2002-05-26 | 767 KB | Shareware | DOS | 31059 | 4 ]

ToolStar Test is a system information tool to see how your PC is configured, its exact performance characteristics, and how well the components are working together.

toolstar testWIN 1.38 [ 2009-08-17 | 4.04 MB | Shareware | Win 10 / 8 / 7 / Vista / XP | 24143 | 3 ]

toolstar testWIN can perform hardware tests under Windows and test your PC within its normal working environment.

Trinity Rescue Kit 3.4 Build 372 [ 2011-07-11 | 151 MB | Freeware | Windows Any | 207874 | 5 ]

Trinity Rescue Kit or TRK is a free live Linux distribution that aims specifically at recovery and repair operations on Windows but is equally usable for Linux recovery issues.

Trouble In Paradise (TIP) 2.1b [ 2004-09-11 | 49 KB | Freeware | Win All | 20549 | 3 ]

Iomega ZIP and JAZ drives suffer from a head positioning problem (servo stiction) that can actively and permanently damage perfectly good ZIP and JAZ drive media.

TuffTEST 1.53 (00442) [ 2002-10-30 | 310 KB | Freeware | 10|8|7 | 51673 | 4 ]

TuffTEST is the first PC diagnostic software product that can automatically test any Intel-based or compatible desktop PC's major hardware components.

Tweaking.com - Register System Files 1.9.10 $\Pick$ [ 2013-01-31 | 959 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 15088 | 5 ]

Tweaking.com - Register System Files will register a list of Dll & OCX files in the System32 & SysWOW64 directories in Windows. This tool is included in Tweaking.Com - Windows Repair.

Tweaking.com - Repair .lnk (Shortcuts) File Association 2.8.8 [ 2015-04-02 | 1.27 MB | Freeware | Win 10 / 8 / 7 / Vista | 69559 | 5 ]

This will try to repair the .lnk (Shortcuts) File Association. These utilities are part of Windows Repair and no longer updated. MajorGeeks recommends you download the complete Tweaking.Com Windows Repair instead.

Tweaking.com - Repair MDAC & MS Jet 1.9.10 [ 2013-01-31 | 959 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 11339 | 4 ]

Tweaking.com - Repair MDAC & MS Jet will fix MDAC and MS Jet problems. This tool is included in Tweaking.Com - Windows Repair.

Tweaking.com - Repair MSI (Windows Installer) 2.8.8 [ 2015-04-01 | 1.26 MB | Freeware | 10|8|7|Vista|XP | 156610 | 5 ]

This will try to repair the Windows Installer (MSI). These utilities are part of Windows Repair and no longer updated. MajorGeeks recommends you download the complete Tweaking.Com Windows Repair instead.

Tweaking.com - Repair Volume Shadow Copy Service 1.7.4 $\Pick$ [ 2012-06-09 | 555 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 17758 | 4 ]

Tweaking.com - Repair Volume Shadow Copy Service may help when the Volume Shadow Copy Service doesn't run. This tool is included in Tweaking.Com - Windows Repair.

Tweaking.com - Repair Windows Safe Mode 1.9.10 [ 2013-01-31 | 972 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 13074 | 4 ]

Tweaking.com - Repair Windows Safe Mode will apply the reg keys needed for safe mode to boot. Some viruses remove these keys. This tool is included in Tweaking.Com - Windows Repair.

Tweaking.com - Repair Windows Snipping Tool 1.9.10 [ 2013-01-31 | 973 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 11345 | 5 ]

Tweaking.com - Repair Windows Snipping Tool will try to repair the Windows Snipping Tool. This tool is included in Tweaking.Com - Windows Repair.

Tweaking.com - Repair WMI 2.8.8 [ 2014-08-22 | 1.26 MB | Freeware | 10|8|7|Vista|XP | 54744 | 5 ]

This will repair the WMI on the system. WMI is used by many Windows services and 3rd party programs. When WMI becomes corrupt, these services and programs will fail. This tool is also a part of Windows Repair (All In One).

Tweaking.com - Technicians Toolbox 1.2.0 [ 2016-03-29 | 6.08 MB | Freeware | 10|8|7|Vista|XP | 62716 | 5 ]

Tweaking.com - Technicians Toolbox is a collection of powerful tools to help both the technician and home users. From the author of Tweaking.Com - Windows Repair.Portable version also available.

Tweaking.com - Technicians Toolbox Portable 1.2.0 [ 2016-03-29 | 3.43 MB | Freeware | 10|8|7|Vista|XP | 61345 | 5 ]

Tweaking.com - Technicians Toolbox is a collection of powerful tools to help both the technician and home users. From the author of Tweaking.Com - Windows Repair. Installer version also available.

Tweaking.com - Windows Repair 4.14.0 $\Hot$ [ 2023-06-01 | 55 MB | Freeware | 11|10|8|7|Vista|XP | 4176452 | 5 ]

Tweaking.com - Windows Repair is an all-in-one repair tool to help fix many known Windows problems, including registry errors and file permissions. Video tutorial available.

Tweaking.com - Windows Repair Portable 4.14.0 $\Hot$ [ 2023-06-01 | 56 MB | Freeware | 11|10|8|7|Vista|XP | 1683971 | 5 ]

Tweaking.com - Windows Repair is an all-in-one repair tool to help fix a large majority of known Windows problems, including registry errors and file permissions. The installer is available for download here.

TweakUAC 1.1 [ 2023-02-23 | 338 KB | Freeware | Windows Any | 66136 | 4 ]

TweakUAC can quickly turn UAC (User Account Control) on or off or make UAC operate in quiet mode.

UAC Pass 1.8 [ 2018-10-30 | 776 KB | Freeware | Win 10 / 8 / 7 / Vista | 14472 | 5 ]

UAC Pass is a portable utility that allows a la carte choosing of administrative rights for specific apps without complete UAC deactivation.

UAC Trust Shortcut 1.0 [ 2010-12-09 | 1.13 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 23620 | 3 ]

UAC Trust Shortcut can tell UAC (User Account Control) which programs you do not want a prompt for.

UBCD4Win 3.60 [ 2016-10-16 | 269 MB | Freeware | Windows Any | 583924 | 5 ]

UBCD4Win is a bootable CD which contains software that allows you to repair, restore, or diagnose almost any computer problem.

Ultimate Boot CD (UBCD) 5.3.9 $\Hot$ [ 2020-08-18 | 803.4 MB | Freeware | Windows Any | 964195 | 5 ]

Ultimate Boot CD (UBCD) is a bootable ISO that consolidates as many diagnostic tools as possible into one bootable CD, DVD, or thumb drive.

Watchdog - O - Matic 5.02 [ 2012-07-15 | 3.17 MB | Shareware $20.00 | Win 10 / 8 / 7 / Vista / XP | 19868 | 4 ]

Watchdog - O - Matic can Monitor, restart & log applications to see if they are running correctly. Project has been abandoned.

WhySoSlow 1.61 [ 2020-10-22 | 2.90 MB | Freeware | 10|8|7 | 30804 | 4 ]

WhySoSlow will analyze your system to try and find out why it's running slow.

Win10PE SE 2020-03-28 [ 2020-03-28 | 183.7 MB | Freeware | 10 | 34925 | 5 ]

Win10PE SE builds a Win10 PE (Preinstallation Environment) using your Windows 10 DVD.

WinComm 2.01 [ 2002-05-26 | 133 KB | Freeware | Win All | 24951 | 4 ]

Helps with testing through the COM port.

WinCrashReport 1.25 [ 2016-08-01 | 174 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 16835 | 4 ]

WinCrashReport provides an alternative to the built-in crash reporting program of the Windows operating system.

Windows Error Lookup Tool (WELT) 3.0.7 [ 2013-04-06 | 411 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 31708 | 4 ]

Windows Error Lookup Tool allows you to type in an error code and display in English the error.

Windows Error Messages 1.0 [ 2006-09-26 | 220 KB | Freeware | Win XP/2003/08/Vista/Windows7 | 30034 | 5 ]

A very simple program for displaying Windows error messages.

Windows Event Viewer Plus 1.0 [ 2010-12-10 | 366 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 18588 | 4 ]

Windows Event Viewer Plus is a portable freeware app that lets you do more and view Event Logs faster than the default Windows Event Viewer.

Windows Health 1.0 [ 2022-09-20 | 67 KB | Freeware | 11|10|8 | 2829 | 5 ]

Windows Health is a small app designed to scan for and replace corrupted system files and DLLs.

Windows Internals Book Tools 7th Edition [ 2017-12-08 | 4.72 MB | Open Source | Win 10 / 8 / 7 / Vista / XP | 7169 | 5 ]

Windows Internals Book Tools uses many tools to demonstrate various features of the Windows operating system.

Windows Malware Effects Remediation Tool 5.1 [ 2024-09-29 | 4 MB | Open Source | 11|10|8|7 | 5716 | 5 ]

Windows Malware Effects Remediation Tool is an Open Source tool for cleaning the aftereffects of malware infections.

Windows Repair Toolbox 3.0.4.7 [ 2025-03-24 | 10 MB | Freeware | 11|10|8|7 | 132101 | 5 ]

Windows Repair Toolbox includes most third-party applications and utilities you might need to repair any Windows problems in one small application. Video tutorial available.

Windows UAC Manager 2.0 [ 2013-08-21 | 61.7 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 9973 | 4 ]

Windows UAC Manager is a free command-line tool to quickly enable or disable User Account Control (UAC).

Windows XP & 2003 Laptop Battery Drain Bug [ 2006-05-18 | 569 KB | Freeware | Win XP/2003 | 27530 | 4 ]

Patch from Microsoft to address a laptop battery drain issue.

WinDowse 5.3 [ 2016-11-11 | 601 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 30236 | 3 ]

WinDowse is an extremely convenient tool for obtaining necessary technical information about any window. Place a mouse cursor on a window, and WinDowse will show all parameters of the window and window class.

WinErrs 1.0 [ 2016-10-16 | 241 KB | Freeware | 10|8|7|Vista|XP | 50032 | 4 ]

WinErrs explains illegal operation or page fault errors (blue screen errors). Project has been abandoned.

Wise PC 1stAid 1.48 [ 2016-11-01 | 3.72 MB | Freeware | 10|8|7 | 47422 | 3 ]

Wise PC 1stAid helps users diagnose and repair many common computer problems.

WMI Explorer 2.0.0.2 [ 2017-10-05 | 221 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 17594 | 5 ]

WMI Explorer is a utility intended to provide the ability to browse and view WMI namespaces/classes/instances/properties in a single pane.

WPI – Windows Performance Indicator 1.0.2 [ 2016-09-23 | 629 KB | Freeware | Win 10 / 8 | 9168 | 5 ]

WPI – Windows Performance Indicator is a small and easy-to-use system performance tester.

WSCC - Windows System Control Center 10.0.0.8 [ 2025-06-02 | 7 MB | Freeware | 11|10|8|7 | 181789 | 4 ]

WSCC - Windows System Control Center is a freeware app that will install, update, execute and organize utilities from suites such as Microsoft Sysinternals and NirLauncher.

Xbox One Controller Tester 1.4 [ 2023-01-06 | 21 MB | Freeware | 11|10 | 616 | 5 ]

Xbox One Controller Tester allows you to test your Xbox controller.

XPBench 1.03 [ 2002-02-13 | 241 KB | Freeware | Win XP | 27298 | 4 ]

Query which Win XP features your video or driver combo supports.

XS SysDetect 1.14 [ 2002-08-21 | 479 KB | Freeware | Win All | 30400 | 3 ]

Detects different aspects of your computer.