martin brinkmann of ghacks.net wrote about #microsoft idea in recent #windows10 #insiderprogram build 1809 for #edge browser "promotion"; operating system intercepts competitive web browsers installations and "suggest" switching to already installed edge with special screen. it looks like microsoft is really desperate this time.

https://www.ghacks.net/2018/09/12/microsoft-intercepting-firefox-chrome-installation-on-windows-10/

Microsoft intercepting Firefox and Chrome installation on Windows 10 - gHacks Tech News

When you try to install the Firefox pr Chrome web browser on a recent Windows 10 version 1809 Insider build, you may notice that the installation gets interrupted by the operating system.