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.

Learn how to troubleshoot installation and update issues with Gaming Services on PC using the Xbox Gaming Services Repair Tool.

Learn how to run System File Checker in Windows to check if your computer has problems with files.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

To help determine the cause of the problem, a stop code, such as PAGE_FAULT_IN_NONPAGED_AREA or MEMORY_MANAGEMENT will appear at the bottom of the screen, and if available, the module name of the code that was being executed at the time the problem occurred.

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.

With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications.

Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. In Outlook, choose File. Choose Account Settings > Account Settings. On the Email tab, choose your account (profile), and then choose Repair.

Troubleshoots and fixes common issues with security and malware prevention in Windows.

Screen flickering in Windows 11 is usually caused by a display driver issue or incompatible app. To determine whether a display driver or app is causing the problem, check to see if Task Manager flickers. Then, based on that information, you'll need to update, rollback, or uninstall your display driver or update or uninstall the app.