Fix error 0xa0430721 when installing Edge or Chrome on Windows

In this guide, we will discuss what causes error code 0xa0430721 when installing Edge or Chrome browsers and how to fix it on Windows PC.

Edge browser users face this issue when the corresponding registry entry has been corrupted in some way on your computer. This problem can be solved simply by deleting this entry. If you don’t find this registry entry, download the Edge offline installer and install it on your computer.

For Chrome users, the solutions are different. They encounter this error either when trying to run a corrupted installer or when system apps prevent Chrome from installing. To resolve this issue, boot into Secure Boot and retry the installation.

How to fix error 0xa0430721 on Windows 11/10

If you are getting error code 0xa0430721 while installing Google Chrome or Microsoft Edge on Windows 11/10, please try these workarounds one by one –

1] Fix problem with installing Microsoft Edge

Here are the steps you can try to fix with installing Edge on Windows 11 or 10 PCs:

Change registry settings

Corrupted registry entries on Windows PCs can cause problems installing Edge browser on Windows. So, you need to repair corrupted entries in order to fix Edge installation on Windows without showing error 0xa0430721.

Note . Back up Registry Editor before making any changes to it.

Press Win + R to open the Run dialog box.
Enter ” regedit” and click OK.
Then the UAC window will ask you, click “Yes” to allow the Registry Editor to open.
In the registry go to the path given below –

HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\{F3C4FE00-EFD5-403B-9569-398A20F1BA4A}

Right-click the entry “F3C4FE00-EFD5-403B-9569-398A20F1BA4A” and click Delete .

A warning window will appear confirming that this entry has been deleted, click Yes .
Now that you have deleted the above entry, restart your computer .

Boot to Windows 11/10 again and try to install Microsoft Edge again using the installer. You can get the Edge installer from the official website .

Run the Edge installer as administrator.

Once you have the offline installer for Microsoft Edge, follow these steps to install it on your Windows PC:

Right click on the downloaded offline Edge installer and select the option – Run as administrator .
Let this setup file install successfully on your computer.
Do not perform any other tasks while installing Edge.
Hopefully your device is now running the Edge browser.

2] Fix error 0xa0430721 in Chrome

This error appears when installing Chrome only when the following two conditions are met:

Now that you know why error 0xa0430721 occurs for Google Chrome, follow these steps to counter these two scenarios:

Using a corrupted Chrome installer

This may be due to the fact that you downloaded a corrupted file, so you cannot install the Chrome browser on your computer. This issue can be resolved by obtaining the official installer from the Chrome website . When you have the installer you want, right-click it and choose the option – Run as administrator .

System apps prevent this browser from being installed

If error 0xa0430721 still occurs while installing Google Chrome, boot in a clean boot state and retry the installation. Here’s how to enter clean boot state on Windows 11/10 –

Press Win + S to open the search box.
Enter “System Configuration” and click over the result.
In the window that opens, go to the ” Boot ” tab and select ” Secure Boot ” in the ” Boot Options ” section .
The smallest checkbox will be selected automatically.

Click Apply, then OK to enter a clean boot state on your Windows computer.
Windows will shut down and boot into Secure Boot Mode.
When Windows restarts, navigate to the folder where you downloaded the offline Chrome installer.
Right-click this file and select the option – ” Run as administrator “.

Hopefully this fixes error 0xa0430721 when installing Google Chrome on Windows 11 or 10 PC.