
Windows Defender Troubleshooting Checklist
Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...
Software troubleshooting desk

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

You try to update Windows Defender, but it fails with error 0x80240022. This usually means Window...

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

If you regularly see sync errors, pending changes that never finish, or files that won't open, yo...

When you open Windows Security and see only a blank white or black screen, the app isn't loading ...

If you're having trouble installing or updating apps from the Microsoft Store, the log files can ...