Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035 — Session
The neon hum of the server room was the only heartbeat in the building. Elias sat hunched over Terminal 4, his eyes reflecting a cascade of scrolling text. He was hunting a ghost in the machine, a silent killer of productivity that had paralyzed the regional grid. Then, it appeared in cold, unfeeling white text:
Conclusion
Locate the subkey mentioned in your error (or look for Enabled keys in this folder). Change the value of Enabled from 1 to 0. Restart your computer. The neon hum of the server room was
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventLog
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Wdi\LogFiles
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Microsoft-Windows-WindowsUpdate
Under the Trace Session tab, ensure "Enabled" is checked, but if the error persists, try toggling the "Circular" log mode to help overwrite old data. Under the Trace Session tab, ensure "Enabled" is
This error typically occurs when the system attempts to start an Event Tracing for Windows (ETW) session using a name that is already in use or was not properly closed during a previous session. While it often appears alongside update issues, it can also occur during normal background logging operations. Common Causes Under the Trace Session tab
Method 4: The "Nuclear" Option (Renaming the Log File)
If the error persists, we can manually target the log file itself. The file extension is .etl. Because these files can be hidden or system-protected, this requires a bit of navigation.
, this often means the Windows Update logging mechanism is already running or didn't shut down properly. Microsoft Learn 1. Check if the Session is Already Running