
Unlock a File Locked by System Command Prompt
You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

You try to run a PowerShell command and get an authentication failed error. The message might say...

You open Windows Security and see an error like “This app can’t open because there’s a problem wi...

You might see a BitLocker recovery key not backing up to Active Directory, or a status of "Backup...

If you see a 504 Gateway Timeout error when opening or downloading from the Micr...

When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...