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.

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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.

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.

Solve problems with detecting and removing malware with Windows Security, including incomplete scans, detection errors, and persistent malware.

This article explains how to repair apps and programs in Windows 11 and use Settings to fix common app issues without reinstalling. You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page.

Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

While browsing the Internet or working on your computer after browsing the internet, you may notice that a new window titled PC Repair may open, you are asked to defragment your computer and then asked for personal information such as your email address.

Describes an issue in which the Hosts file is detected as adware, spyware, or other malware in Windows Defender. Provides a resolution.

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.