Session Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035 Repack Exclusive May 2026

0xc0000035

Here’s a helpful, easy-to-follow story that explains the error in the context of Session WindowsUpdateTraceLog and how to resolve it.

To troubleshoot and resolve the "Session Windows Update Trace Log failed to start with the following error: 0xc0000035" issue, follow these steps: Enumerate ETW sessions: If you are repackaging an

Regedit

Open and navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI\AutoLogger\EventLog-System Find the keys Enabled and EnableProperty . the collision occurs.

Ideally, ETW sessions are transient. However, if a previous Windows Update process crashed or was terminated improperly (perhaps during a previous, failed repackaging attempt), the ETW session object was not destroyed. The Windows Kernel believes the session is still running. When the Windows Update service tries to start it again, error 0xC0000035 is thrown because the name is already in use. 0xc0000035 Here’s a helpful