Fire whoever built the installer.
Seriously an installer that calls an installer to install into the user profile then opens the program full screen. Configuration in a json file that can't be easily be managed at an enterprise level? What the **** is going on in quality control over there?
Andrzej Demski commented
You know, It must be hard to copy the files to "Program files" folder, especially when MS Teams does not integrate with system (~5 registryentries from URL handling).
It is practically a portable app.
but hey! ..let's go against any standards we still remember - users will buy cope with it eventually.
Kids, that is how I met Discord.