How to Fix Event 4502 WinREAgent After Windows Update?

Windows Recovery Environment Servicing Failed with Event 4502 (Critical)

Event ID 4502 might appear in Event Viewer after updating your Windows. Although this error seems harmless, you had better remove it as soon as possible to avoid further data loss. Usually, you might receive the following message:

Attempt to restore the system to original condition has failed. Changes to the system have been undone.

Luckily, this problem will be pretty easy to tackle with the solutions mentioned in the following content.

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How to Fix Event 4502 WinREAgent After Windows Update?

Fix 1: Remove Recent Windows Updates

Since you receive event 4502 WinREAgent after updating your Windows, uninstalling the recent Windows Update might be helpful. To do so:

Step 1. Press Win + I to open Windows Settings.

Step 2. Go to Update & Security > Windows Update > View update history.

Step 3. Click on Uninstall updates > select the update you want to remove > right-click on it to choose Uninstall > follow the uninstallation wizard to complete the process.

Fix 2: Perform System Restore

Another solution is to perform system restore. It can cancel some big changes made on your system and revert your computer to a normal state. Here’s how to do it:

Step 1. Press Win + R to open the Run box.

Step 2. Type rstrui and hit Enter to open System Restore.

Step 3. Click on Next > select a desired restore point > hit Next.

Step 4.  After confirming all the details, click on Finish to start the process.

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Fix 3: Run SFC & DISM

Corrupted system files might be the culprit of event 4502. If this is the case, you can run the combination of System File Checker and Deployment Image Servicing and Management to scan, detect, and repair these files. Follow these steps:

Step 1. Type cmd in the search bar to locate Command Prompt and click on Run as administrator.

Step 2. In the command window, type sfc /scannow and hit Enter.

Step 3. If prompted by Windows Resource Protection did not find any integrity violations, you can run the following command one by one and don’t forget to hit Enter.

• DISM /Online /Cleanup-Image /CheckHealth
• DISM /Online /Cleanup-Image /ScanHealth
• DISM /Online /Cleanup-Image /RestoreHealth

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Final Words

That’s all the solutions for event 4502 WinREAgent. Which one is useful to you? At the same time, remember to create a scheduled backup with MiniTool ShadowMaker as a prevention before starting any troubleshooting methods. Have a nice day!