Session Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035 Repack !!install!!

If the error persists, you can disable this specific trace session from starting automatically. This will not stop Windows Updates from downloading; it only stops the diagnostic tracking log. Press Windows Key + R , type regedit , and hit Enter.

While encountering this error can be alarming, it is rarely a sign of a catastrophic system failure. However, it can be annoying to see it pop up in your logs repeatedly. Here are the most common reasons why your system is showing this error:

Windows users and system administrators often encounter the "Session 'WindowsUpdateTracelog' failed to start with the following error: 0xc0000035" message in the Event Viewer. While it looks like a critical system failure, it is usually a non-fatal conflict involving circular logging and ETW (Event Tracing for Windows) sessions. Understanding the 0xc0000035 Error Code

But in most cases, simply stopping the old session fixed it forever. If the error persists, you can disable this

This error is classified as a Kernel-EventTracing (ETW) issue. ETW is a high-performance, low-overhead tracing system built into Windows. It allows software and drivers to log events in real-time for performance monitoring and diagnostics. The WindowsUpdate_trace_log session is specifically designed to log diagnostic information for the Windows Update service. When this session fails to start, Windows logs the 0xC0000035 error in the Event Viewer with .

For a stable system, it is highly recommended to use a clean install of Windows from official sources.

logman stop WindowsUpdateTraceLog -ets

If a broken Windows Update loop is causing the log collision, resetting the update ecosystem will resolve the underlying issue. Open .

While this error rarely causes major system instability, it can fill your Event Viewer logs with warnings, making it harder to troubleshoot legitimate issues. The error is quite common in Windows 10/11 environments, particularly after major updates or when using modified OS images (repacks) where certain logging services conflict. What Does Error 0xc0000035 Mean? Error code 0xC00000350 x cap C 0000035

In the Windows subsystem, the error code translates to STATUS_OBJECT_NAME_COLLISION . While encountering this error can be alarming, it

Here are the step-by-step methods to resolve this error, ordered from the most effective and common fixes to advanced troubleshooting.

The WindowsUpdateTraceLog error with code 0xC0000035 is a solvable system glitch. By methodically working through the fixes—starting with the DISM/SFC repair and moving to the targeted registry cleanup—you can eliminate the error messages from your Event Viewer. In many cases, a simple restart or running the Windows Update troubleshooter is all that's needed. If you encounter the error after a recent OS update, rest assured that Microsoft has provided official registry fixes that can swiftly resolve the conflict and restore normal functionality.

By following this guide, you can confidently diagnose, resolve, and prevent the "Session WindowsUpdate_Trace_Log failed to start" error, whether on a standard PC or in a complex repackaged deployment. While it looks like a critical system failure,

The WindowsUpdate_trace_log is an ETW session that should normally start and stop seamlessly in the background. When Windows Update attempts to initialize this trace session but fails, Event Viewer logs the 0xC0000035 warning. This error can be accompanied by other failed session logs, such as:

Are you having Windows Updates right now? Is this error causing your PC to freeze or crash ? Which version of Windows are you currently running?