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

Lists the error codes that may be reported by Device Manager and the possible resolutions in Windows.

If your PC is experiencing problems, especially issues related to Windows Update, you can use the Fix problems using Windows Update recovery option to reinstall the current version of Windows. This …

This is also known as a stop code error, a bug check, a kernel error, or a Blue Screen error, or BSOD. Basic troubleshooting steps for Windows 10 blue screens and stop code errors Remove any new …

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.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Oct 14, 2025 · Follow these steps to automatically diagnose and repair problems with files and folders in Windows. These problems might include the inablility to delete files or folders from the Recycle Bin, …

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

Microsoft Excel might show ##### in cells when a column isn’t wide enough to show all of the cell contents. Formulas that return dates and times as negative values can also show as #####. There …

See also Microsoft account has been locked My username and password have stopped working Help with the Microsoft account recovery form Need more help? Can't sign in? If you can't sign into your …

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