Yeah, if you right click on the exes for each game and set to run as administrator, that also works. Or just run rm2k/3 as administrator and play the games through test play. Alternatively, if you want to get rid of the issue altogether, I think
turning off UAC will unrestrict the Program Files folder.
"Unfortunately, the dragon only speaks in Napalm, a curious ancient language that you don't really need to speak to understand."