Repair apps and programs in Windows - Microsoft Support
Select Programs > Programs and Features. Right-click the program you want to fix and select Repair, or if that’s not available, select Change. Then follow the directions on the screen. For more tips, see …
Use the System File Checker tool to repair missing or corrupted …
Jan 12, 2007 · 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 …
Startup Repair - Microsoft Support
Oct 14, 2025 · Startup Repair is a Windows recovery tool that can fix certain system problems that might prevent Windows from starting. It scans your computer for the problem and then tries to fix it so your …
Fix issues by reinstalling the current version of Windows
Windows Update can help fix problems with your PC. Fix problems using Windows Update is a recovery tool that can help resolve issues related to updates. Using this tool will reinstall the current version of …
Repair an Office application - Microsoft Support
Select the Microsoft 365 or Office product you want to repair and select Modify. Note: This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel. If you …
Recovery options in Windows - Microsoft Support
What if my PC won’t start, and none of the recovery options work? If your PC isn't responding to recovery options like Startup Repair or System Restore, you may need to use installation media …
Troubleshooter for repairing Windows Update system files and …
Oct 14, 2025 · Support for Windows 10 has ended on October 14, 2025. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or …
Use a troubleshooter with Windows 10 - Microsoft Support
Oct 14, 2025 · Fix-it tools aren’t used in Windows 10. Instead, use a troubleshooter to help solve problems with your PC.
Windows Recovery Environment - Microsoft Support
Oct 14, 2025 · Windows Recovery Environment (Windows RE) is a set of tools included with Windows that can help you troubleshoot and fix common problems with your computer. If your PC is having …
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 …
Using System File Checker in Windows - Microsoft Support
Learn how to run System File Checker in Windows to check if your computer has problems with files.