Get help with Windows upgrade and installation errors - Microsoft Support
The pointer to the logging provider is missing or corrupted.
: A previous update that was interrupted by a restart or power loss. Microsoft Support Recommended Fixes
The RUXIMLog service is not a constantly running service. It is typically configured as (Triggered). It only starts when a specific Windows Update event occurs. However, if the "Trigger" is broken—meaning the system thinks an update requires user interaction when it actually doesn't—the service may try to start in the background and fail because the environment is non-interactive (e.g., during an automated maintenance window). Get help with Windows upgrade and installation errors
The error is a common Windows Event Viewer logging issue typically caused by overlapping Event Trace Session identifiers, corrupted Windows Update component data, or conflicts stemming from background update tools like the Microsoft Update Health Tools . This error frequently manifests alongside Error Code 0xC0000035 , indicating a duplicate resource name log collision during system startup. While the error often appears alarming in the Event Viewer console, it can be permanently patched using built-in command-line tools, registry adjustments, or by resetting the localized caching directories. Understanding the RUXIM Log Error
Restart the services: net start wuauserv net start cryptSvc net start bits net start msiserver
This error typically surfaces immediately after system patching due to a few specific triggers: It is typically configured as (Triggered)
Look for any keys related to . If they are marked with a 0 value or "Disabled," this is likely your culprit.
This indicates:
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: . The error is a common Windows Event Viewer
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While it is not a "critical" service required for Windows to boot, its failure indicates a disruption in the Windows Update service, leading to failed installations and system instability. Causes of the "RUXIMLog Failed to Start" Issue
The specific error, "Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start with the following error: 0xC0000035," occurs when this component fails to initialize properly at startup. Error code 0xC0000035 typically points to either or a conflict with a recent Windows Update .
(Re-Usable UX Integration Manager) is part of Microsoft’s Windows Setup Remediations . Its primary job is to prepare your system for major feature updates by checking compatibility and health. When you see the "failed to start" log, it usually means:
If you are a system administrator examining a machine that has already been "patched" and is now throwing this error, the likely scenario is that the patch installation succeeded, but the post-installation cleanup failed to update the service registration.