Google Chrome won’t open in Windows 10

Ivan Jenic
by Ivan Jenic
Troubleshooting Expert
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  • Google Chrome is one of the most popular browsers, but it has its share of errors.
  • Many users reported that Google Chrome doesn’t work at all on their PC.
  • To fix this, you need to modify your registry or reinstall Chrome completely.
  • This article is just a part of our Chrome hub, and if you need more useful guides, be sure to check it out.
Google Chrome won't open in Windows 10

Google Chrome is still the most used browser on the Internet, but people are also having problems with it occasionally.

And this Class not registered problem is definitely the annoying one. And in order to solve it, you’ll have to perform a couple of registry tweaks.

After you do so, your Google Chrome browser should work fine on Windows 10.

How can I fix Class not registered error in Google Chrome?

  1. Give a try to Opera
  2. Tweak your registry
  3. Pin a new Chrome icon to Start
  4. Update Chrome
  5. Register DLL files again
  6. Uninstall/reinstall Chrome

1. Give a try to Opera

give a try to Opera

Chrome’s popularity is unquestionable, yet are you aware of the fact that Opera has features not found in Google’s browser?

That reason only determined countless users to make the switch, not to mention that it’s an incredibly lightweight browser, so opening issues are nothing to worry about.

Opera packs a built-in cryptocurrency wallet for safe online transactions, as well as free built-in VPN, reducing online tracking and guaranteeing anonymity above all.



Opera is incredibly stable, brilliantly offering an enjoyable browsing experience. That’s why it’s a worthy alternative to Chrome.
Get it free Visit website

2. Tweak your registry

try to tweak registry

  1. Before you perform these registry tweaks you should create a system restore point first, just in case
  2. After that, type regedit in the Search to open the Registry Editor.
  3. In Registry Editor delete the following two registry keys:
    • HKLM\Software\Classes\Chrome
    • HKLM\Software\Classes\ChromeHTML\open\command\DelegateExecute
  4. When you delete the registry keys that enable DelegateExecute, they disable Chrome’s AppID. But the problem is that when Chrome updates itself again, you may find that these keys have been re-created. In such a case, you may have to again delete these keys.
  5. Restart your Windows PC.

Perform the above steps in order to solve Class not registered Chrome error.

3. Pin a new Chrome icon to Start

pin Chrome icon to Start

If this doesn’t work, delete the start menu Chrome shortcut and navigate to the following folder: C:Users\username\AppData\Local\Google\Chrome\Application

Check if chrome.exe works (it should). If it works, pin its shortcut back to the Start Menu, and it should work correctly now.

4. Update Chrome

try to update Chrome

  1. Open Chrome > click on the More icon in the upper right-hand corner.
  2. Select Update Google Chrome, if the option is available.
  3. Launch the browser again and check if it runs properly now.

Note: if you don’t see any option/button to update Chrome, this means that you’re already running the latest version of the browser.

5. Register DLL files again

DLL files

  1. Go to Start > launch Command Prompt as an administrator.
  2. Enter the following command: FOR /R C: %G IN (*.dll) DO “%systemroot%\system32\regsvr32.exe” /s “%G”
  3. Hit Enter to run the command (ignore any error message that may be occurring during the scan process).
  4. Restart your computer once the scanning process is completed to check if the error persists.

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. Uninstall/reinstall Chrome

use Revo Uninstaller

  1. Go to Start> open Apps & Features > located and select Google Chrome.
  2. Click on the Uninstall option.
  3. Use a software leftover remover to make sure that there is no Chrome file or folder left on your device.
  4. Now, go to Google’s official website and install a new version of the browser.

In case you want accuracy, we strongly recommend uninstalling Chrome using a third-party uninstaller. These tools will uninstall Chrome with all its folders.

From all available, we suggest Revo Uninstaller. This is a powerful tool that is extremely user-friendly, as all the products from Revo.

Revo Uninstaller

Revo Uninstaller

If Google Chrome fails to open in Windows 10, use this tool to uninstall it without leaving any traces behind.
Get it free Visit website

We hope that this solution works for you and that you’re satisfied.

But if you have some additional comments, suggestions or maybe other solutions, please feel free to leave your comment in the comments section below, we would love to hear your opinion.

Editor’s Note: This post was originally published in March 2020 and has been since revamped and updated in July 2020 for freshness, accuracy, and comprehensiveness.

  • I think microsoft ought to compensate all the users they’ve hurt in the pocket. I lost my perfectly fine computer to windows 10 set up , got a new computer and now I cant use programs I want. We used to trust the Microsoft logo, never again !

  • Suddenly I’m having all sorts of problems with Chrome – profile can’t be opened and plugin error message that freezes everything. I don’t like Edge and I’m going back to Firefox. Shame.

  • Seems obvious to me that if Chrome is the most used browser and that windows suddenly stopped running JUST THAT, that maybe that is a way to discourage people from Chrome and return to MSIE or (heaven forbid) Edge. Shame on you, Microsoft.

  • I have a surface pro4 running windows 10. installed google chrome, latest edition and the pc started to freeze with a black screen. I uninstalled Chrome, and do not face the error as often, although it has happened intermittently. The freeze seems to occur more when using Chrome for search. Any idea if Chrome causes problems with Wndows 10 on the surce?

  • thank you for the trick.
    Google has to solve this issue by itself. Windows 10 will be installed free in millions of computers around. A half of that people or more will not google for this issue, simply they will change their default browser. Perhaps to never come back!