List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Deploy Windows Malicious Software Removal Tool in an enterprise ...
Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see the "Covered malware families" list in the "Release information" section of KB 890830). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
Microsoft Malware Protection Engine deployment information
Discusses how to update the Microsoft Malware Protection Engine, including prerequisites, restart, and removal, and how to verify that the updates were installed correctly.
Remove specific prevalent malware with Windows Malicious Software ...
Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
Windows troubleshooters - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Run to start that troubleshooter.
Fix problems that block programs from being installed or removed
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.
How to start a scan for viruses or malware in Microsoft Defender
Here's how to do that on Windows, Mac, or Android.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Windows Security app update - Microsoft Support
This update provides the latest updates for the Windows Security platform. The platform is composed of the Windows Security app and its underlying service. To obtain the current version of Windows Security app, please run the following PowerShell command: Get-AppPackage Microsoft.SecHealthUI. Manually download the update. 64-Bit | ARM64.
Uninstall and reinstall Paint and Snipping Tool - Microsoft Support
Download the Paint/Snipping Tool installer file. Open the file to run the installer and follow all the instructions in the workflow until the setup is complete.