Session Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035 Site

The trace log session writes to C:\Windows\Logs\WindowsUpdate. Corruption in this folder or its parent can prevent session creation.

Note: New log files will be regenerated automatically when Windows Update runs. Note: New log files will be regenerated automatically

Once you have resolved the error, take these preventative measures: Once you have resolved the error, take these

  • Search Windows Event Viewer (Applications and Services Logs → Microsoft → Windows → WindowsUpdateClient) for correlated errors and timestamps.
  • Collect an ETL using Windows Performance Recorder (WPR) during the failure sequence for deeper analysis.

    • Boot into Safe Mode with Networking, then run: Boot into Safe Mode with Networking

    logman stop "Windows Update Trace Log" -ets

    Reboot normally.

    Here is what typically happens in the background: