Microsoftwindowswindowsupdateruximlog - Failed To Start Patched

The Windows Update Troubleshooter will scan your system for issues and attempt to fix them.

These steps should help you troubleshoot and potentially resolve the issue with the Windows Update service. If the problem persists, it may be indicative of a more complex issue, and contacting Microsoft Support or a professional may be necessary.

This error typically appears in the Windows Event Viewer (Event ID 2) and indicates that a specific logging session for the Windows Update Readiness UX Integration Manager (RUXIM) could not start. While it looks alarming, it is often a "Status Object Name Collision," meaning a log file with that name already exists and the system is confused. 🛠️ Quick Fixes

Most users find that these steps resolve the underlying update conflicts causing the log failure. 1. Clear the RUXIM Registry Key

Corrupted registry entries for this specific logging session often cause the "failed to start" loop. Press Windows Key + R, type regedit, and hit Enter.

Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\WindowsUpdate\RUXIMLog. Right-click the RUXIMLog folder and select Delete. Restart your computer. 2. Repair System Files (SFC & DISM)

If the error is due to corrupted system components, use these built-in repair tools:

Right-click Start and select Terminal (Admin) or Command Prompt (Admin). Type sfc /scannow and press Enter. Let it finish.

Follow up with this command to repair the Windows image:DISM /Online /Cleanup-Image /RestoreHealth. 3. Reset Windows Update Components

If updates are stuck or failing alongside this error, resetting the cache often helps: The Windows Update Troubleshooter will scan your system

Manual Installation of any cumulative patch failed - Microsoft Q&A

How to Fix "Microsoft.Windows.WindowsUpdate.RUXIMLog Failed to Start"

The error message "Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start" is a common warning found in the Windows Event Viewer. While it often appears alongside update failures or system sluggishness, it specifically refers to the failure of a logging session for the Reusable UX Integration Manager (RUXIM), a component Windows uses to manage the user experience during updates.

If you see this error marked as "patched" or recurring after an update, it typically indicates a conflict between current system files and a recent patch. Below is a comprehensive guide to understanding and resolving this issue. Understanding the RUXIMLog Error

The RUXIM component is responsible for "interaction campaigns"—essentially the notifications and interfaces that guide you through pending updates. When the RUXIMLog fails to start, it often triggers Error Code 0xC0000035 (Status Object Name Exists), meaning the system is trying to start a logging session that is already technically active or blocked by a corrupted file. Step 1: Run System Maintenance Tools

Corruption in the Windows Update database or system files is the most frequent cause of this failure. Fix Windows Update corruptions and installation failures

The error message "Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start"

is a common event log entry (typically Event ID 2) that occurs when the Windows Update "Reusable UX Integration Manager" (RUXIM) fails to initialize its logging session. While it often appears as a critical error in the Event Viewer, it is frequently a non-fatal bug related to specific Windows Update components or health tools. Understanding RUXIM and the Error What is RUXIM? It stands for Reusable UX Integration Manager

. It is a component used by Windows Update to manage the user experience (UX) elements of the update process, such as notifications and interaction screens for feature updates. The Cause: If you are a system administrator examining a

The error "failed to start" usually indicates that the logging session for this specific component could not be created because the session name was already in use (Error 0xC0000035) or the required service could not start. This is often triggered by

, an update designed to improve Windows Update health and notifications. Recommended Fixes 1. Uninstall Microsoft Update Health Tools

Many users found that this error is tied to a corruption in the "Microsoft Update Health Tools" package. Settings > Apps > Apps & Features Installed Apps Search for Microsoft Update Health Tools Select it and click

your computer. Windows Update will typically reinstall a fresh, working version of these tools automatically. 2. Repair System Files (SFC and DISM)

Corrupted system files can prevent update-related sessions from starting. Use the Command Prompt as an Administrator to run these repairs: sfc /scannow and press Enter. Once finished, type: DISM /Online /Cleanup-Image /RestoreHealth and press Enter. 3. Reset Windows Update Components

If the logging error is blocking actual updates, you may need to clear the update cache: services.msc the "Windows Update" service. Navigate to C:\Windows\SoftwareDistribution and delete all files and folders inside. the "Windows Update" service again in the Services app. 4. Run the Windows Update Troubleshooter Use the built-in Windows Update Troubleshooter to identify and fix background service issues: Windows 10:

Settings > Update & Security > Troubleshoot > Additional troubleshooters > Windows Update. Windows 11:

Settings > System > Troubleshoot > Other troubleshooters > Windows Update. Summary Table: Error Characteristics Description RUXIM (Reusable UX Integration Manager) 2 (Kernel-EventTracing) Common Trigger Update KB5001716 Often harmless; may cause update notification delays

If these steps do not resolve the issue and your system is stable, you can often safely ignore this specific Event Viewer entry, as it is a known telemetry bug that Microsoft occasionally patches through subsequent cumulative updates. permanently disable If you see it

this specific logging session in the Event Viewer to stop the error from appearing? Get started with Windows Update - Microsoft Learn


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.

In most environments, this specific error can be safely ignored if Windows Updates are continuing to function. However, running DISM /RestoreHealth is the recommended "deep fix" to ensure the underlying Windows Update stack remains stable for future patches.

Here’s a structured content piece for the error “Microsoft Windows Windows Update Ruximlog failed to start patched” — written for a tech support blog, forum, or internal IT knowledge base.


Users occasionally encounter cryptic, non-standard error messages during Windows Update, such as:
"microsoftwindowswindowsupdateruximlog failed to start patched"

This indicates:

The result: stalled updates, security risks, and frustrated users.


Before fixing, ensure you are targeting the correct issue.

If you see it, proceed with the fixes below.

This is the most effective fix.