Hello @Stan Kasper
Here's the registry value HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\Associations\UrlAssociations\http\UserChoice
mentioned in How to find the default browser via the registry on Windows 10 and Identification of default browser in registry? , but it seems no option for None.
You may check if you have uninstall the Edge completely by going through : How to disable or uninstall Microsoft Edge in Windows 10 and How to Disable Microsoft Edge as Your Default Browser in 2021
Best Regards
Karlie
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