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.

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.

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.

Fix-it tools aren’t used in Windows 10. Instead, use a troubleshooter to help solve problems with your PC.

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.

By using System Restore, you can undo these changes without affecting your personal files, providing a safe way to resolve problems without losing important data. System Restore works by utilizing restore points, which are snapshots of the system's configuration and settings at a specific moment.

Microsoft has identified an issue impacting Windows endpoints that are running the CrowdStrike Falcon agent. These endpoints might encounter error messages 0x50 or 0x7E on a blue screen and experience a continual restarting state.

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

These log files can be sent to Microsoft automatically if you have chosen to enable the collection and processing of optional diagnostic data by Microsoft. Note that even when you’ve enabled the processing of optional diagnostic data, Microsoft may not always collect these log files.

You can use the Wilogutl.exe tool to analyze log files from a Windows Installer installation. This tool may suggest solutions to errors that are found in a log file.