Fix: 0xa0430721 Error When Installing Edge or Chrome Browsers in Windows 11 / 10

There is a preferred web browser for everyone. People utilize a variety of browsers, including Google Chrome, Microsoft Edge, and others. If you don’t have a reliable browser installed on your computer, it doesn’t matter what operating system you’re using. Because of this, having your preferred browser already set up on your machine is essential. You will get more done if you use your preferred web browser.

However, you may receive a “There was a difficulty installing” warning message while attempting to set up browsers such as Google Chrome or Microsoft Edge. Error 0xa0430721, which may prevent their installation. You may need to switch from your usual browser to another one under certain conditions. But why give up when a quick Google search will reveal the answer to your problem?

How to Fix 0xa0430721 Error When Installing Microsoft Edge

Method 1: Change Registry Settings

The 0xa0430721 Problem and How to Repair It Using this method requires modifying data in the computer’s registry. It is usually advisable to make a backup of your registry editor before making any changes, as improper registry settings might cause major system instability.

Fix 0xa0430721

First, open the Run window by pressing the Windows logo key and the letter R simultaneously. Just hit the enter key after typing “regedit.”

1 Regedit Optimized

Second, when the Registry Editor window appears, copy and paste the link below into the Registry Editor’s address bar. To proceed, press the Enter key.

HKEY LOCAL MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\

To remove the entry, right-click “F3C4FE00-EFD5-403B-9569-398A20F1BA4A,” and then select “Delete” from the drop-down menu.

2 Delete Key Optimized: Copy and paste the URL below into the navigation bar once the Registry Editor window opens. Hit Enter key.


Third, when prompted by the Confirm Key Delete dialogue box, select the Yes option to confirm the deletion.

3 Optimised for Confirming Deletion

There you have it. Try reinstalling Edge from the installer after restarting your computer to see if the problem persists. If not, move on to the following approach.

Method 2: Start Installer as Administrator

Step 1: First, make sure you have the Microsoft Edge browser’s offline installer. If you don’t already have it, you can get it from the Microsoft Download Site.

Step 2: Right-click on the offline installer you just downloaded and choose “Run as administrator” from the menu that appears.

Fix 0xa0430721

4 Run As Admin Optimized

Note: If you right-click on the msi file and don’t see the “Run as administrator” option, read How to Fix Missing “Run as administrator” Option for MSI Files on Windows 11 or 10.

The 0xa0430721 error should no longer show up during your installation. Enjoy!

How to Fix 0xa0430721 Error When Installing Google Chrome

Method 1: Run the Installer as Administrator

Step 1: Make sure you have downloaded the file you need to install Google Chrome offline. If you don’t already have it, you can get it right here.

Step 2: Next, right-click on the installation setup file and choose “Run as administrator.”

5 Chrome Run as Admin has been improved.

The 0xa0430721 error should no longer show up when you run your installation. But if this error keeps happening, please try the next method.

Method 2: Run the Installer from Windows Safe Mode Bootup

error fixing

Using this method, your computer would restart in safe mode, with only a few programs and processes running.

Step 1: Click on the icon for the Windows Start menu. Click on the Power icon next. Lastly, press and hold the SHIFT key, and then click the Restart button.

Now, your system would start up again.

6 Shift Restart Optimized

Step 2: Click the Troubleshoot option on the Choose an option screen when the computer starts up again.

7 Keep going with Troubleshoot Startup Repair Optimized

Step 3: Next, click on More options.

8 Fix problems This PC’s Advanced Settings Startup Repair Optimized

Step 4: Click the Startup Settings option on the Advanced options screen.

9 Settings to Speed Up Startup

Step 5: Click the Restart button at the bottom of the screen to continue.

10 Startup Settings: Restart, Repair, and Optimum

Step 6: Press the 4, 5, or 6 key on the Startup Settings page, depending on what you want to do.

If you press any of these keys, your machine will start up in safe mode.

11 Options for starting up Safe Mode 1234 Startup Repair: Better Performance

Step 7: Once your computer has started up in safe mode, go to the place where your offline Chrome installer is. To start the installation process, double-click on it.

12 Run Installer Optimized

All done. Your problem should be fixed now.

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