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FIX: List index out of bounds error on Windows 10/11

8 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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List index out of boundserrorwill prevent you from running your favorite applications, so today we’re going to show you how to fix thiserroron Windows 10.

Well, itcan appear in almost any application, and speaking of thiserror, here are some common problems that users reported:

How can I fix the List index out of bounds error?

1. Remove System Mechanic files

According to users,List index out of boundserrorcan appear when trying to run System Mechanic.

It seems that thiserroris caused by certain System Mechanic files that can become corrupted, so to fix this problem you need to find and remove those files from your PC.

After removing these files, check if the problem is still there.

Keep in mind that this solution only works for System Mechanic software, so if another application is giving you this problem, you’ll have to use a different solution.

2. Delete the temporary files

According to users,List index out of boundserror can appear due to your temporary files. Many applications create temporary files, and these files can sometimes cause various problems.

To fix this and many other problems, it’s highly advised to remove all temporary files. To do that, just follow the above steps.

After doing that, check if the problem is resolved. If you want, you can also use Disk Cleanup to clean the temporary files and fix this problem.

If you want an advanced tool that will clean temporary files along with old and unnecessary files, we suggest that you trydedicated registry cleaner tools.

3. Check your antivirus

If you’re gettingList index out of boundserroron your PC, the problem might be your antivirus software. Sometimes your antivirus can block certain files and that will prevent applications from running properly.

To check if your antivirus is the problem, you need to disable certain antivirus features or even disable your antivirus altogether. If that doesn’t help, you might even have to remove your third-party antivirus.

This is perfectly safe to do on Windows 10 since Windows Defender will still protect your system, even if you remove your antivirus.

Once you remove your antivirus, check if the problem is still there. If removing the antivirus solves the problem, you should consider switching to a different antivirus solution.

At the same time, if you need a strong alternative you should choose from thebest antivirus solutions for Windows 10to remove the error once for all.

4. Try running the application in Compatibility mode

List index out of boundserror can sometimes appear if the application you’re trying to run isn’t fully compatible with Windows 10.

This can happen with older applications, but you might be able to fix the problem simply by running it in Compatibility mode.

In case you don’t know, Compatibility mode is a special feature that allows you to run old applications on Windows 10, and you can activate Compatibility Mode by doing as described above.

According to users, using the Compatibility mode might fix this problem for you, but you might have to experiment with different settings until you find the one that works for you.

5. Update the application to the latest version

If you’re gettingList index out of boundserrorperhaps the application you’re trying to run is the problem. Certain applications can give you thiserrorif they encounter any bugs or glitches.

The best way to avoid glitches is to keep the application up to date. If you encounter this problem, try to download the latest version of the application and install the latest updates.

After the updates are installed, check if the problem is still there.

6. Rename the Skype directory

Many users reportedList index out of boundserror while trying to runSkype.

Thiserrorcan occur if your files are corrupted, but you might be able to fix the problem by renaming your Skype directory.

This is a simple solution, but keep in mind that it only works with Skype. If you have this problem with any other application, you might want to try using a different solution.

7. Reinstall the problematic application

According to users, sometimes the only way to fix this problem is to reinstall the problematic application.List index out of boundserror can appear in almost any application, and sometimes the only way to fix this problem is to uninstall it.

In case you don’t know, a desirable method is to find a dedicated program like anefficient uninstaller softwarefor your Windows 10 PC. That way, you can safely reinstall the affected application and thus resolve this kind of error.

You should know that such programs can also remove any file and registry entries associated with it from your PC.

Once you remove the application, install the latest version again and the problem should be permanently resolved.

8. Perform a clean boot

If you keep gettingList index out of boundserror, the problem might be a third-party application on your PC.

To find the problematic application, it’s advised that you perform a clean boot and disable all startup applications and services.

You can do that by following the above steps.

Once your PC restarts, check if the problem is still there. If the issue doesn’t appear, it means that one of the startup applications or services was causing it.

To pinpoint the cause, it’s advised to enable applications and services one by one or in groups until you find the cause of the problem.

Once you find it, remove the problematic application and the issue should be permanently resolved.

As you can seeList index out-of-boundserror can be quite problematic and prevent you from running your favorite application.

However, you should be able to fix this problem simply by reinstalling the problematic application or by updating it.

If that doesn’t work, feel free to try any other solution from this article.

FIX: List index out of bounds error on Windows 10/11#

How can I fix the List index out of bounds error?#

1. Remove System Mechanic files#

2. Delete the temporary files#

3. Check your antivirus#

4. Try running the application in Compatibility mode#

5. Update the application to the latest version#

6. Rename the Skype directory#

7. Reinstall the problematic application#

8. Perform a clean boot#