• September 28, 2023

Error 0xa0430721 when installing Chrome, Edge: causes and solutions

Quite a lot of users wrote that their browser was not working well, so they decided to reinstall it. Only at the time of installing Microsoft Edge or Google Chrome an error code 0xa0430721 is displayed. Any number of attempts does not lead to the expected result, some specific fix is ​​needed. The good news is that we have several proven solutions. They were recommended by other users on the forums and some visitors approved each fix, writing that it worked for them. Thus, we were able to display 5 effective ways to eliminate error 0xa0430721 when installing the Edge or Chrome browser on Windows 10.

Install via offline distribution and safe mode

By default, Google offers installation via an online installer, this method has pros and cons. On the one hand, it allows you to get the most suitable version of the program for your operating system. On the other hand, it may freeze during the download process, it cannot be installed on a PC without the Internet, and in general there are more problems. It is also possible to download the full version of the program, in which all the files necessary for installation are already present in the installer. To make the procedure even more effective, it is better to carry out it in a safe mode. This will not interfere with third-party processes.

What should be done:

  1. Download the file from the link to the site Google
  2. Open “Options” (Win + I) and click on “Update and Security”.
  3. Click on the “Recovery” tab and in the “Special boot options” block click on “Restart now”.
  4. We select the item “Troubleshooting”, then “Advanced options” and “Boot options” or “Additional recovery options”.
  5. After rebooting, a menu will appear with options for safe mode, select any keys F4-F6.
  6. We launch the installer and wait for the installation procedure to complete.
  7. Restart your computer again in normal mode.


Kill Chrome completely and reinstall

For a large number of users, the problem is related to two factors: leftover files or processes hanging in the background interfere with the installation. It is necessary to get rid of both problems and with a high degree of probability the procedure will go as smoothly as possible.

Here’s the instruction that should work against error 0xa0430721:

  1. We remove the browser through the standard menu “Programs and Features”.
  2. Go to the C: Program Files (x86) Google folder, select all the content and delete it.
  3. We open the “Task Manager” (you can through the RMB on the Taskbar) and among the processes we are looking for Chrome or Edge.
  4. Click on each element found with the right mouse button and select “End task”. If they are quickly restored, we can select “Details” among the options and after RMB on the process – “End the process tree”.
  5. We restart the computer and try to install Google Chrome or Microsoft Edge with the offline installer (we wrote about it above).


Sometimes, it is not possible to complete absolutely all browser processes. They can be regenerated. In this case, turn off the autorun of the web browser in the same “Task Manager” and restart the computer. It is not necessary, but it is better to “Open file location” beforehand and delete it after reboot. If the process is still generated, you should delete the task in the “Task Scheduler”.

Compatibility Mode

It works less often, but still some users indicated that compatibility mode helped them. You just need to right-click on the browser exe-file through which it was usually launched, and go to “Properties”. On the Compatibility tab, activate Run this program in compatibility mode with Windows 8. All that remains is to apply the changes and try to launch Chrome. This method works if the installation was successful, but the browser does not start.


Check timezone

If the time zone or date is incorrect, the online installer will not be able to connect to the server. This is a prerequisite for stable work with the network of most programs. It is enough to adjust the date and time manually and install the update over the network. Everything should work.

Fix the registry (for Edge)

If error 0xa0430721 appears while installing Edge, there is a specific way to fix the crash. It consists in deleting some registry values. As far as we could find out, the problem is downloading and trying to run the installation file directly from another browser.

Here are the steps to help:

  1. Press the Win + R combination, enter regedit and press Enter.
  2. We follow the path HKEY_LOCAL_MACHINE SOFTWARE WOW6432Node Microsoft EdgeUpdate Clients {F3C4FE00-EFD5-403B-9569-398A20F1BA4A}
  3. You need to delete the entire directory {F3C4FE00-EFD5-403B-9569-398A20F1BA4A} and you can close the registry.
  4. Restart the computer and run the installation file as administrator.


One of the above methods should help fix error 0xa0430721 while installing Google Chrome, Microsoft Edge. So experience and feedback on the google support forum shows. Just in case, we leave a link to it too, although it is in English, it will allow you to track the number of cases with this error at any given time.

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