FIX: An error occurred while loading the troubleshooter
Last year, Microsoft introduced a unified troubleshooting tool which covers all major features. It improved the system diagnostics and allowed users for a better error-resolving platform. However, what happens when the one thing which is in charge of problem-solving, causes an issue? Seemingly, there’s an error with the “An error occurred while loading the troubleshooter” prompt. Users who run the troubleshooter weren’t able to use it as the error appeared.
We tried our best to provide you with some applicable solutions. If Windows 10 troubleshooter won’t work, just follow the steps in order they were presented.
Can’t load the Windows troubleshooter
- Run SFC
- Run DISM
- Check the hard drive for errors
- Scan for malware
- Confirm that the associated services are up and running
- Refresh your PC
1: Run SFC
If you’re using a downloadable troubleshooter, this step is hardly of any value. However, the built-in troubleshooter is the integral part of the system, and thus can get corrupted or incomplete. Just like all other system files. Luckily, the SFC (System File Checker) is a built-in utility which can help you fix system errors.
- READ ALSO: Fix: Corrupted system files on Windows 10
Here’s how to run SFC:
- Open Command Prompt as admin. Search for Command prompt and run it as administrator.
- In the command-line, type sfc/scannow and press Enter.
- Wait until the scan ends and restart your PC.
2: Run DISM
If the SFC tool fails, we can always turn to DISM. The Deployment Image Servicing and Management tool is similar to SFC. However, besides the fact it can rebuild whole system image in case of corruption, there are two ways you can use it. The first one relies on Windows Update to replace the corrupted files. The second rather uses an external installation drive (USB or DVD) to apply fixes.
In most cases, the first way should work just fine. Follow these instructions to run DISM on Windows 10:
- Right-click on the Command Prompt and run it as an administrator.
- In the command line, copy-paste these lines one by one and press Enter after each:
- Wait for the resolution.
3: Check the hard drive for errors
In the same way previous tools tackle system corruption, there’s a dedicated tool for HDD errors. A corrupted HDD with bad sectors, can invoke a variety of errors. Including the one we’re addressing today. For that reason, we encourage you to check your hard drive for possible errors. You can use some third-party tools for the in-depth check or run CheckDisk tool in Command Prompt.
Here’s how to do it:
- In the Windows Search bar, type cmd, right-click on Command Prompt and run it as an administrator.
- In the command line, type the following command and press Enter:
- Wait until the procedure ends.
4: Scan for malware
In the first two steps, we covered the corruption of system files. But, in order to avoid future issues with troubleshooters in Windows 10, we suggest inspecting the usual suspect. Of course, we’re referring to malicious software which can (and will if left alone) completely disrupt your system performance.
You can scan your PC with any given third-party antivirus, but we’ll show you how to do it with Windows Defender. Everyone has Windows Defender as its the integral piece of Windows 10. Follow these steps to scan for malware with Windows Defender:
- Close all applications you were working on.
- Open Windows Defender from the notification area.
- Choose Virus & threat protection.
- Click “Run new advanced scan“.
- Choose “Windows Defender Offline Scan“.
- Click Scan now.
5: Confirm that the associated services are up and running
Now, as any other system application, even the troubleshooters have the dedicated services. In order for a troubleshooter to work, analyze and fix certain issues, it’ll use a few services. Some of those are working all the time, while others start only upon you run a troubleshooter.
What we’ll need to do is confirm that all associated services are up and running. Follow these steps to make sure that’s the case:
- In the Windows Search bar, type Services and open Services from the list of the results.
- Make sure all of these 4 services are running:
- If not, right-click on the stopped service and choose “Start” from the contextual menu.
6: Refresh your PC
In the end, if the “An error occurred while loading the troubleshooter” prompt persists, we encourage you to refresh your Windows 10 installation. In comparison to a clean reinstallation, this method won’t delete any data. Furthermore, the procedure is rather fast, so you won’t loose a lot of your time. The only obvious drawback lies in the fact that you’ll need to configure a lot of system settings.
Here’s how to reset your PC to default values:
- Backup all your data.
- Navigate to Settings > Update & Security.
- Choose Recovery from the left pane.
- Click “Get started” under the Reset this PC section.
- Choose to preserve your data and continue with the restoration process.
With that said, we can conclude this article. In case you have any suggestions or questions, we encourage you to share them with us and other affected users. You can do so in the comments section below.
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