[EricE]

Application virtualization is a godsend for Windows - the only way to escape DLL hell or isolate authentication domains in apps that make bad assumptions.

Think Docker, but for desktop operating systems and not as complicated as Docker.

Microsoft bought the granddaddy - SoftGrid - SoftGrid's technology is the underpinnings of App-V, which is a great solution for Windows software deployment for enterprise Microsoft shops.

There are a few other solutions - one of the more promising is Sandboxie: https://sandboxie-plus.com Well worth looking into if you are having issues like the OP was raising.

Yes, you probably shouldn't have to resort to solutions like this - but at least there are potential options even if they are sub-optimal!