Use the System File Checker tool to repair missing or corrupted system ...
To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file. Open an elevated command prompt, as described previously.
Perform an offline system update | Xbox Support
Learn how to update your Xbox console offline.
Automatically diagnose and repair Windows file and folder problems ...
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, or troubles with trying to copy, move, rename, or delete a file. Select the Download button on this page.
System Restore - Microsoft Support
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.
Windows File Recovery - Microsoft Support
Learn how to use Windows File Recovery app to restore or recover lost files that have been deleted and are not in the recycle bin.
Troubleshooter for repairing Windows Update system files and settings
What problem does this troubleshooter address? This troubleshooter addresses devices which are not scanning for updates for certain internal reasons. How does the troubleshooter mitigate the problem? The troubleshooter resets the update scanning process which should prompt the device to start a new scan.
Windows Recovery Environment - Microsoft Support
Learn about Windows RE, how to access it, and the different tools it offers.
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
Download drivers and firmware for Surface - Microsoft Support
Each Surface device is eligible to receive new driver and firmware updates until its end-of-servicing date listed in Surface devices driver and firmware lifecycle for Windows-based devices. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.
Backup, restore, and recovery in Windows - Microsoft Support
To use Windows Backup, you need to sign in with your Microsoft account. This ensures that your backed-up information is stored securely in the cloud, making it accessible from any device you sign into with the same account.