
Fix 'Port Already Allocated' Error in Windows Defender
You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...
Software troubleshooting desk

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

If you see a “rate limit” error when using BitLocker, it usually means the system is throttling e...

After a Windows update, you might see an error that Windows Defender can't connect to the service...

You open Chrome on a different computer and your bookmarks, passwords, or extensions aren't there...

You see a 'permission denied' error when OneDrive tries to sync files. This usually means the app...

If you see an error message like "OneDrive cannot sync because the port is already allocated"...