Session Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035 Repack ((link)) Jun 2026

Residual log buffers can lock the ETW (Event Tracing for Windows) session names. Boot your PC into . Open File Explorer and navigate to: C:\Windows\System32\LogFiles\WMI Use code with caution. Locate the directory named RtBackup .

Follow these steps carefully. They are ordered from least to most invasive.

The most direct method to stop the collision is disabling the automatic startup of this specific trace log via the Windows Registry. Press Win + R , type , and press Enter . Navigate to the following directory path: Residual log buffers can lock the ETW (Event

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It is likely a temporary glitch. You can safely ignore it. Locate the directory named RtBackup

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old ren C:\Windows\System32\catroot2 catroot2.old Use code with caution. Restart the core services:

Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI\Autologger The most direct method to stop the collision

If the error persists on every reboot, you can disable the specific "AutoLogger" that is failing.

The error typically reads: Session "WindowsUpdateTraceLog" failed to start with the following error 0xC0000035 .

Open File Explorer and navigate to: C:\Windows\System32\LogFiles\WMI