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Fix: Class Not Registered Chrome Error on Windows 10/11

10 min. read

Updated onMarch 1, 2024

updated onMarch 1, 2024

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Google Chrome is the most popular web browser on the market with millions of active users. Despite its popularity, Google Chrome still has some issues, and many users reportedClass not registerederror message while using Chrome.

This error can prevent you from starting Chrome, and today we’re going to show you how to solve this problem on Windows 10.

Class not registered Chrome.exe error, how to fix it on Windows 10?

Class not registered Chrome.exe error, how to fix it on Windows 10?

1. Completely remove Google Chrome and reinstall it

If you’re having this problem, you might want to try reinstalling Google Chrome. In most cases, you need to completely remove Chrome, and the best way to do that is to use Revo Uninstaller or any other similar tool.

Using this tool you’ll remove Chrome along with its registry entries and associated files. After removing Chrome completely, reinstall it and check if the problem still appears.

2. Delete Chrome registry values

To remove the problematic values, do the following:

To do that, simply select the desired key from the left pane, right-click it and chooseDeletefrom the menu. When the confirmation message appears, click onYes.

After deleting these keys Chrome should start working again without any problems.

If you’re looking for a faster way to delete these keys, you might want to try usingCommand Prompt. Using Command Prompt you can delete these keys by running few commands. To do that, follow these steps:

Several users reported that other values can also cause this problem to appear. To fix the issue, you need to locate and remove the following keys from your registry:

After removing those keys, the problem should be fixed.

Sometimes certain registry values can interfere with your system and cause this error to appear. To fix this problem, you need to remove those values from your registry.

Keep in mind that modifying the registry can cause certain problems, so be aware that you’re modifying it at your own risk.

3. Repin Chrome shortcut to the Start Menu

This is relatively simple and you can do it by following these steps:

If you’re having this problem on your PC, you might be able to solve it simply by repinning Chrome shortcut to theStart Menuor yourTaskbar.

After repinning Chrome, you just need to use the pinned shortcut and your browser should start without any errors.

4. Launch Chrome using a .bat file

You can easily run several commands at once on your PC by using a .bat file. These types of files allow you to create your own scripts and run different applications. According to users, you can also use a .bat file to circumvent this error. To create a .bat file, do the following:

Keep in mind that this is a workaround, and if you want to avoid this problem, you need to start Chrome always by using thechrome.batfile.

5. Reregister DLL files

SometimesClass not registerederror message can appear in Chrome because your DLLs aren’t properly registered. To fix the problem, you need to reregister your DLLs and check if that solves the problem. To do that, follow these steps:

Keep in mind that you might get several error messages while this command is running. After the command is executed, restart your PC and check if the problem is resolved.

6. Change the prefix of Chrome’s shortcut

According to users, you might be able to fix this error message simply by adding a prefix to Chrome’s shortcut. To do that, follow these steps:

After making these changes, you need to start Chrome using this shortcut. Keep in mind that this is just a workaround, and if you want to avoid this problem, you need to use this shortcut every time you want to start Chrome.

7. Remove the problematic keys and set Chrome as a default app for PDF files

Few users claim that this problem occurs when trying to viewPDFfiles in Chrome. According to them, the problem might be a certain key in your registry. To fix the issue, first you need to remove this key by following these steps:

If you can’t find this key in your registry simply proceed to the next segment. Now you just have to set Chrome as default application for PDF files. To do that, follow these steps:

There’s another way to set Chrome as a default application for PDF files. To do that, follow these steps:

You can also useAssociate a file type with a programoption to set defaults. You can do that by following these steps:

After doing that, Google Chrome will be a default application for PDF files, and that will hopefully fix this error on your PC.

8. Set a different browser as default

Few users claim that you can fixClass not registerederror message in Chrome simply by setting a different browser as default. To do that, follow these steps:

You can also set a different default browser by doing the following:

After setting a different web browser as default, start Google Chrome again. Now you should see a message asking you to set Chrome as a default browser. Set Chrome as default and check if the problem is resolved.

9. Update the Chrome to the latest version

If you’re having this problem in Google Chrome, you might be able to fix it simply by updating Chrome to the latest version. To check for updates, you need to do the following:

If you can’t open Chrome at all, you need to remove it and download the latest version from the official website.

This error message might be fixed in the upcoming version of Chrome, but if you can’t wait for the new version you can always download the Canary or Beta version of Chrome and use it instead.

Keep in mind that this version might not be as stable, so you can experience other issues while using it.

You also have the option to use a different browser that may not cause this issue at all. Opera One is one of the most reliable browsers out there with great security and up-to-date features that allow you seamlessly navigate the Internet and it also comes with free native AI.

Opera One

Keep in mind that this issue can affect other browsers. To learn more, visit ourMicrosoft Edge WebDriver error: Solutions and fixesarticle.

If you need to know more about browsers, check out ourwebsite’s Browser page. For more guides covering this amazing tool, check out ourdedicated Chrome Hub.

More about the topics:Browser errors,windows 10 fix

Milan Stanojevic

Windows Toubleshooting Expert

Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He’s a PC enthusiast and he spends most of his time learning about computers and technology.

Before joining WindowsReport, he worked as a front-end web developer. Now, he’s one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.

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Milan Stanojevic

Windows Toubleshooting Expert

Before joining WindowsReport, he worked as a front-end web developer. Now, he’s specialized in Windows errors & software issues.