
How to Fix Windows Security Update Failed Errors
You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...
Software troubleshooting desk

You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...

You try to enable BitLocker on a drive, and Windows tells you "This drive is not compatible." It ...

If Windows Defender is disabled on your system—perhaps after installing third-party antivirus or ...

You try to sync a file or folder in OneDrive and get a "permission denied" or "access denied" err...

You try to install or update an app from the Microsoft Store, but you get error 0x80073cf9. The a...

When Windows Update fails with a port allocation error, it usually means another program is using...