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

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If you have encountered the error message in your Windows Event Viewer, you are likely seeing a STATUS_OBJECT_NAME_COLLISION .

Click , close the Registry Editor, and restart your computer.

The error 0xc0000035 associated with the failure to start the WindowsUpdateTraceLog session indicates a specific naming conflict within the Windows Event Tracing for Windows (ETW) subsystem. When the Windows Update service attempts to start an ETW trace session for diagnostic logging, it fails because an AutoLogger session with the same name is already registered in the registry but not active, or a stale session entry exists. This paper details the root cause, diagnostic steps, and resolution methods for this error. net start wuauserv net start bits net start

WIN-ERR-0xC0000035-WUTL Severity: Medium (Logging/Audit Degradation) Affected Component: Event Tracing for Windows (ETW) / Windows Update Client

Execute the Deployment Image Servicing and Management (DISM) tool first: DISM.exe /Online /Cleanup-image /Restorehealth Use code with caution.

Fix: Session "WindowsUpdateTracelog" Failed to Start with Error 0xC0000035 When the Windows Update service attempts to start

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Third-party security suites sometimes lock ETW sessions, causing Windows to retry and fail. Step-by-Step Solutions to Fix Error 0xc0000035

Double-click and change its Value Data from 1 (Enabled) to 0 (Disabled). causing Windows to retry and fail.

Is your PC currently experiencing ?

Restart your computer to allow Windows to rebuild the log structure. Method 2: Clear the Windows Update Cache