
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 into a site in Chrome, and you get an error like "Profile authentication failed" ...

When running Windows Update, you might see an error message like "404 Not Found" or code 0x802440...

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

You sign into Chrome on a new Mac, expecting your bookmarks, passwords, and extensions to appear....

If OneDrive is eating up disk space or you're running into persistent sync errors, the sync cache...