If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

This occurs when migrating Data Protection API (DPAPI) credentials using dpapimig.exe with the -domain option. Addresses an issue that causes network packets to drop between containers because of an incorrect checksum.

Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

This occurs when migrating Data Protection API (DPAPI) credentials using dpapimig.exe with the -domain option. Addresses an issue that gives a Windows Hello for Business user two certificates for authentication during certificate renewal instead of one certificate.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.