
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 try to sign in to Microsoft Teams and see an error like “Authentication failed” or “We couldn...

When you try to open Outlook on the web (OWA) and see a 404 Not Found error, it usually means the...

When Outlook suddenly reports it cannot connect to the internet, you may still be able to browse ...

When running Disk Cleanup or the Windows Update troubleshooter, you might see error 0x80070002 an...

When Outlook shows a 'connection refused' error, it usually means the program can't reach the mai...