
Fix OneDrive Sync ‘Service Unavailable’ and ‘Permission Denied’ Errors
When OneDrive reports “Service Unavailable” or “Permission Denied” during sync, the problem is us...
Software troubleshooting desk

When OneDrive reports “Service Unavailable” or “Permission Denied” during sync, the problem is us...

OneDrive users sometimes see errors like "Sync rate limit reached" or "Permission denied" when tr...

After moving files to a new PC or switching Microsoft accounts, OneDrive may stop syncing. This u...

When you see authentication errors in Windows Terminal—like 'token expired' or 'please sign in ag...

When starting Microsoft Teams, you might see an error like "Port already allocated" or "The proce...

You're trying to install Windows Security (formerly Windows Defender) using an offline installer,...