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. Run the System File Checker tool (SFC.exe)

What it fixes. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data. Prevent new programs from being installed. Prevent existing programs from being completely uninstalled or updated.

After you install the OneDrive sync app (onedrive.exe) to sync your OneDrive for work or school files, or update your Operating System, you may experience one or more of the following symptoms: You're not prompted for sign-in. No synchronization of files occurs, and no error message is displayed.

Learn how to fix common OneDrive personal or OneDrive for Business sync problems.

Sync errors can occur for several reasons with OneDrive for work or school. Many errors can be fixed by using the Repair option in the OneDrive menu that you can see from the taskbar notification area. Note: This article applies only to the previous OneDrive for work or schoolsync app (groove.exe).

Manually update Surface drivers and firmware (Advanced) You'll find the links for drivers after choosing your Surface model in the dropdown list in this section. Note: If you prefer to see links for drivers in a table format, you can find that in Manage and deploy Surface driver and firmware updates.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page. Select Start > Settings > Apps > Apps & features. Apps & features in Settings.

Unlink and re-link OneDrive. Unlinking and re-linking your computer to OneDrive can help solve some sync problems. You can also use these same steps to move your OneDrive to a new location, such as an external disk drive.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin. Recovery on cloud storage and network file shares is not supported.

Admins should view Help for OneDrive Admins, the OneDrive Tech Community or contact Microsoft 365 for business support. Learn what OneDrive error codes and messages mean and what to do about them.