5 Fixes for “An Error Occurred While Loading the Troubleshooter” in Windows 11

Abhishek stuck to the Windows operating system ever since he bought the Lenovo G570. As obvious as it is, he loves to write about Windows and Android, the two most common yet fascinating operating systems available to mankind. When he is not drafting a post, he loves to binge OnePiece and whatever Netflix has to offer.

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Fix 1: Check the Diagnostic Service Status

Windows troubleshooters rely on a few diagnostic services. If these services glitch, you will face troubles while launching or using a troubleshooter. So, you must check and restart themusing the Services utility. Here’s how:

Step 1:Press theWindows key to open theStartmenu. Typeservicesin the search bar and pressEnterto open the Services app.

Step 2:Locate and right-click onDiagnostic Policy Service> selectRestart. Also, restart theDiagnostic Service HostandDiagnostic System Hostservices.

Step 3:Close the Services app.

Fix 2: Remove a Recent Windows Update

Many users complained about their inability to launch and use built-in troubleshooters after installing a recent Windows update. So, you must remove the update to check if it stops the Windows troubleshooter from working on your PC.

Also, check if an update was reported in the support forums. This will help you pinpoint the update.

Step 1:OpenSettings(Win + I) and go toWindows Update.

Step 2:Click on theUpdate historyoption.

Step 3:Scroll down and click onUninstall updates.

Step 4:Find the most recent update you installed and click theUninstallbutton.

Step 5:Click on theUninstallbutton again to remove the update.

Step 6:Close the Settings app and restart your PC.

If you cannot uninstall the update, here is how to manage theseproblematic Windows updates.

Fix 3: Run Troubleshooter in Clean Boot State

Third-party programs and their background services can interfere with Windows components and prevent them from launching or working correctly. So, you must perform a clean boot to isolate the culprit service and remove the corresponding program from your PC. Here’s how:

Step 1:Press theWindowskey to open the Start menu. Typemsconfigin the search bar and pressEnterto open the System Configuration app.

Step 2:Switch to theServicestab > click theHide all Microsoft servicescheckbox > click onDisable all.

Step 3:Click onApply, followed byOKto save the changes.

Step 4:It will then prompt you to restart the PC. Click onRestart now.

After your PC restarts, launch the troubleshooter and check if the 0x80004005 error code appears. If you don’t see any error message, it confirms the suspicion that a third-party service is interfering.

Relaunch the System Configuration tool, re-enable some services, and restart your PC. Repeat this process until you find the problematic service and remove it from your PC.

Fix 4: Run SFC and DISM Scans

You can use built-in command-line tools like SFC and DISM torepair corrupt system filesand fix the damaged Windows Component store. Run both scans to identify and fix problems with your PC. Here’s how:

Step 1:Press theWindows keyto open the Start menu. Typecmdin the search box and press theCtrl + Shift + Enterto open it with admin permission.

Step 2:The User Account Control window will pop up. Click onYes.

Step 3:Type the following command and pressEnterto run an SFC scan:

Step 4:Execute the following commands to run DISM scans:

Step 5:Close the Command Prompt window afterward.

Fix 5: Try System Restore

System Restore is a lifesaver that allows you to revert your PC to an earlier time. If you have any available restore points, apply the most recent one. Usually, Windows creates a restore point when an update is installed. However, you will lose all programs installed after the restore point creation. Here’s how:

Step 1:Press theWindows keyto open the Start menu. Typerstruiin the search box and pressEnterto open System Restore. Click onNext.

Step 2:Select arestore pointfrom the list and click onNext.

Follow the on-screen instructions to apply it. After a few minutes, your PC will restart and boot to the desktop.

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Last updated on 01 May, 2024

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