
Windows Update High CPU Usage Troubleshooting Checklist
If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe

If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe

You enter your BitLocker PIN or password, the screen flashes, and you're back at the login prompt...

If you see 'OneDrive sync service unavailable' when trying to sync files in Office 365, the sync ...

You're running Windows Defender and it throws a proxy error—often during an update or a full scan...

When Outlook hangs on the 'Loading profile' screen, the registry entry for your mail profile is o...

If you see "permission denied" or "504 gateway timeout" errors while syncing OneDrive, the issue ...