Session Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035 !!better!! May 2026

It was a typical Monday morning for John, a IT specialist at a large corporation. He arrived at his desk, sipped his coffee, and began to tackle the day's tasks. One of his colleagues had reported an issue with the Windows Update service on one of the company's laptops, and John had volunteered to take a look.

5) Implementation details (backend)

As they walked back to their desks, John turned to Alex and asked, "How did you do that?" Alex grinned. "It's all about thinking outside the box...or in this case, the Windows Update box." It was a typical Monday morning for John,

1. Press Win + X and select Event Viewer.
2. Navigate to: Applications and Services Logs > Microsoft > Windows > WindowsUpdateClient > Operational.
3. Look for Event ID 100 or Event ID 104 with the error text: "Session "WindowsUpdateTraceLog" failed to start with the following error 0xc0000035".
4. Check the timestamps. If the error appears repeatedly every few minutes, it is actively disrupting updates.

• Open elevated PowerShell or CMD:

  sfc /scannow
  DISM /Online /Cleanup-Image /RestoreHealth
  

• Reboot after completion.