# find handles by name (requires Sysinternals handle.exe) .\handle.exe -a Session | Select-String "StartupTrace"
Restart your computer. Windows will re-initialize the log correctly upon the next operational update check. 3. Clear the Performance Log Cache
If you are digging through your Windows Event Viewer or troubleshooting a sluggish system, you may have stumbled across a daunting error message: # find handles by name (requires Sysinternals handle
The WindowsUpdateTracelog is an Event Tracing for Windows (ETW) session. Windows uses it to monitor, log, and debug the background activities of the Windows Update service.
Type the following command to start it again: logman start -ets WindowsUpdateTraceLog Clear the Performance Log Cache If you are
If the local system account or performance logging account does not have the correct permissions, it will fail to overwrite old trace sessions.
This lists all registered event logs. To clear a specific log: This lists all registered event logs
Stop the core update services by typing the following commands one by one, pressing after each: net stop wuauserv net stop bits net stop cryptsvc Use code with caution.
Boot into , then run:
Internal system file mismatches can corrupt structural components of the Windows Management Instrumentation (WMI) infrastructure, triggering tracing errors. Open Command Prompt as an . Run the deployment image repair tool first: DISM.exe /Online /Cleanup-image /Restorehealth Use code with caution. Allow the verification percentage to hit 100%. Run the System File Checker tool directly after: sfc /scannow Use code with caution. Restart your system once the verification finishes. Verifying the Fix
If corrupted temporary update files are holding the trace token open, purging the SoftwareDistribution directory will force Windows to generate clean logging environments.