This article will dissect what this error actually means, why it appears, and provide a step-by-step, technical guide to resolving it permanently.
MicrosoftWindowsWindowsUpdateRUXIMLog Failed to Start: Patched and Resolved
If you are reading this, you have likely encountered a frustrating and highly specific error message in your Windows Event Viewer, or perhaps a failed update notification that reads: .
Navigate to C:\Windows\SoftwareDistribution and delete everything inside that folder.
: The system throws Error Code 0xC0000035 when the kernel attempts to spin up a new instance of the RUXIMLog session, but a duplicate or ghost security context ID (GUID) is already occupying that slot. This creates an internal collision inside Kernel-EventTracing . The Anatomy of the Error
Extract the archive and launch as an administrator.
The error 0xC0000035 means that the system is trying to start the RuxImLog logging session, but it is already active or conflicting with another process, often related to KB5001716 or other cumulative updates.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI\Autologger Use code with caution.
Get help with Windows upgrade and installation errors - Microsoft Support
If the error in the Event Viewer points to a specific task, you may need to disable that task in Task Scheduler. Open . Navigate to Microsoft > Windows > RUXIM .
Manual Installation of any cumulative patch failed - Microsoft Q&A
The (Reliability Update eXperience Integration Manager Log) is a component of the Microsoft Update Health Tools . Its purpose is to log telemetry data related to Windows updates, ensuring that feature updates and security patches install correctly and that compatibility issues are managed.
Verify that Microsoft Update Health Tools is updated via Windows Update.
The error often triggers when Windows tries to run a scheduled task to update the RUXIM data. You can disable this task to prevent the error. Press Win + R , type taskschd.msc , and hit Enter.