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  1. Troubleshoot problems updating Windows - Microsoft Support

    The following list outlines error codes and potential causes associated with Windows Update. Click on the error code to view the detailed troubleshooting steps to resolve.

  2. Windows Update Troubleshooter - Microsoft Support

    If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters.

  3. Use the System File Checker tool to repair missing or corrupted system ...

    Jan 12, 2007 · Step 1: Run DISM DISM provides the files required to repair your corrupted files. You should run DISM prior to running the System File Checker. To do this: Open an elevated command …

  4. How to correct a #SPILL! error - Microsoft Support

    This error occurs when the spill range for a spilled array formula or PivotTable range isn't blank. Select the cell containing the #SPILL! error to reveal a dashed border that indicates the intended spill range.

  5. Repair apps and programs in Windows - Microsoft Support

    Select Programs > Programs and Features. Right-click the program you want to fix and select Repair, or if that’s not available, select Change. Then follow the directions on the screen. For more tips, see …

  6. I can’t start Microsoft Outlook or receive the error “Cannot start ...

    Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the …

  7. Automatically diagnose and repair Windows file and folder problems ...

    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, …

  8. Error codes in Device Manager in Windows - Microsoft Support

    In this article, we will help you find your error code and suggest what you might try to correct the error. Follow the recommended resolutions for that error code.

  9. Get help with Windows upgrade and installation errors - Microsoft …

    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.

  10. How to fix Error 0xA: IRQL_not_less_or_equal - Microsoft Support

    Actions to take when receiving the error Error 0xA: IRQL_not_less_or_equal including running Windows Update and running memory diagnostics.