When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

Learn how to update your Xbox console offline.

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

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Access to your local Windows PC from a Quest headset is seamless and it takes only seconds to connect to a private, high-quality, multiple-monitor workstation. On your Windows 11 PC, install the Mixed Reality Link application from the Microsoft Store.

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.

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 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.

Follow these steps to automatically diagnose and repair problems with files and folders in Windows. These problems might include the inablility to delete files or folders from the Recycle Bin, or troubles with trying to copy, move, rename, or delete a file. Select the Download button on this page.

To run a Control Panel tool in Windows, type the appropriate command in the Open box or at a command prompt. NOTE: If you want to run a command from a command prompt, you must do so from the Windows folder.