See some of the most common upgrade and installation errors for Windows 10 and Windows 11, and what you can do to try to fix them.

Jan 12, 2007 · Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

If an update fails to install because of problems related to system files or components, you might see the following message in the Windows Update page in Settings:

Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and …

If you see an error while upgrading or installing Windows 11, don’t worry—most problems can be fixed with a few simple steps. Visit Get help with Windows upgrade and installation errors to …

Oct 14, 2025 · The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted …