Session Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035

Under the tab, you can set a Maximum Size (e.g., 100 MB) to prevent it from failing due to overflow, or simply stop the session if it's not needed for active debugging.

For persistent cases, use a tool like or Sysinternals WinObj to inspect the \KernelObjects\ namespace for a stale WindowsUpdateTraceLog event handle. No public tool directly deletes these; a reboot is the cleanest solution. Under the tab, you can set a Maximum Size (e

To solve the problem, we first need to understand the components involved. Under the tab

session windowsupdatetracelog failed to start with the following error 0xc0000035 Windows Update should function normally

After applying the fix, Windows Update should function normally, and you can safely run windowsupdate.log diagnostics again.