MM refuses to launch under remote desktop. The developers probably thought that playing video via remote desktop would be to agonizing, and that is mostly the case
However, you can still do plenty, especially using the remote computer as a movie rendering workhorse. However, you first have to attach a monitor and physically sit at the remote machine to launch MM. Given that MM crashes pretty easily while saving big movies, this is a procedure that is painful to keep repeating
Please remove the restriction. Give a warning if you must, but let the user decide