Provides links to the uninstall tools and directions for many security programs.

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.

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.

To resolve this problem, try to identify and remove deceptive software from your computer. To do this, use one or all the following methods. Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.

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.

Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.

Download the drivers for the desired device from the device manufacturer's site. Make sure to download the correct drivers that match the version and architecture of Windows. Once downloaded, if necessary, uncompress the downloaded drivers. Make a note of where the drivers are located on the Windows device.

Using this tool will reinstall the current version of Windows on your device. This tool preserves all your apps, documents, and settings. Make sure to keep your PC connected to a power source and the internet during reinstallation. The reinstall will take you to the Windows Update page in Settings.

Learn how to optimize system performance by managing startup applications in Windows.

Check which version of DirectX is installed. The DxDiag tool reports detailed information about the DirectX components and drivers installed on your system and can be used. Swipe in from the right edge of the screen, and then tap Search. Type dxdiag in the search box. Or, just type dxdiag from Start. DirectX versions and updates by Operating System