Session Windowsupdatetracelog Failed To Start With The Following Error 0xc0000035 🆕 Instant

This article will dissect exactly what this error means, why it prevents Windows Update from functioning correctly, and provide a step-by-step guide to resolving it permanently. Before attempting any fixes, it is crucial to understand the underlying mechanism. When Windows Update (via the wuaueng.dll or the Update Orchestrator Service) initializes, it attempts to create an Event Tracing for Windows (ETW) session named WindowsUpdateTraceLog .

logman delete "WindowsUpdateTraceLog" -ets Restart the Windows Update service.

logman query You will see a list of Data Collector Sets. Look for any entry named WindowsUpdateTraceLog . It may appear under "Sessions." This article will dissect exactly what this error

If the problem persists after following all three methods in this guide, the issue may be a corrupted Windows Imaging Component (WIC) or a failing storage drive. At that point, running an (installing Windows from a USB drive while keeping apps and data) is the recommended final step before a clean installation.

A: This indicates a persistent scheduler or task is trying to start the trace session twice. Run schtasks.exe and look for any custom update-related tasks. Also, check for remnants of older Windows Update agents in C:\ProgramData\Microsoft\Diagnosis\ETLLogs . Conclusion The error "Session WindowsUpdateTraceLog failed to start with the following error 0xc0000035" is fundamentally a communication breakdown within Windows' own logging infrastructure. While the cryptic error code suggests a deep registry failure, the reality is far more manageable. It may appear under "Sessions

logman stop "WindowsUpdateTraceLog" -ets The -ets flag tells logman to talk directly to the Event Tracing subsystem.

Create a batch script or run these commands sequentially in an elevated Command Prompt: In plain English

Introduction Windows Update is the lifeblood of system security and feature stability on Microsoft operating systems. However, it is also notoriously sensitive to corruption, misconfigurations, and resource conflicts. One of the more cryptic errors that administrators and users encounter when digging into the WindowsUpdate.log or the Event Viewer is: "Session "WindowsUpdateTraceLog" failed to start with the following error 0xc0000035." At first glance, this error looks like a critical system failure. The hexadecimal code 0xc0000035 can be intimidating, but it is a well-known status code in the Windows kernel: STATUS_OBJECT_NAME_COLLISION . In plain English, this means "a file, registry key, or object with that name already exists."