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

logman query You will see a list of Data Collector Sets. Look for any entry named WindowsUpdateTraceLog . It may appear under "Sessions."

A: No. If you ignore it, Windows Update will remain in a degraded state. You won't receive security patches, leaving your system vulnerable.

You must have Administrator privileges . Log in as an administrator or right-click Command Prompt/PowerShell > "Run as administrator." Method 1: Using Logman (The Official ETW Controller) logman is a built-in Windows command-line tool designed to manage ETW sessions. This is the most surgical and effective method. logman query You will see a list of Data Collector Sets

Query existing trace sessions to confirm the collision. Type the following command:

By using the logman tool to manually stop the duplicated ETW session, you can resolve the collision in under 30 seconds. Windows Update will immediately regain its ability to download and install updates. If you ignore it, Windows Update will remain

ETW is a high-performance logging mechanism built into the operating system. It allows services like Windows Update to log diagnostic data without slowing down the system.

(Optional) Delete the session entirely. To prevent it from reappearing on reboot (if corrupted), remove it: Log in as an administrator or right-click Command

Open an elevated Command Prompt. Press Win + X , then select "Terminal (Admin)" or "Command Prompt (Admin)."