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

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

You try to connect via Remote Desktop and see an error like "An authentication error has occurred...

You launch PowerShell, it starts to load, then crashes immediately with exit code 0xc000000...

You start Chrome, and instead of your usual pages, you see an error: "Your profile was unable to ...

If Task Scheduler crashes or fails to open on Windows 11, a corrupted registry entry is a common ...

When updating Windows Terminal, you might encounter error 0x800f0954. This usually appears during...