Maybe it's a "security feature" of some AV software or IE/edge. Wouldn't surprise me.
I use Firefox on Linux.
I didn't mean to insult you :)
Since you talked about your "(work) username" I thought your employer chose your OS/browser for this particular case.
I didn't take it as an insult :)
While my employer does not chose my OS/browser I am in the lucky situation that most of us use Linux with their favorite distro.
In general there's always a simple way to bypass these websites limitations, like those who try to disable the right click.