Sometimes I do wait and it kicks back in so it comes in handy. I don't know.I tried it. I get "The system does not find the path specified."+1It never stays.. I guess I want Windows to make sure that check mark can't be changed by other programs.I'd understand if I had clicked to use _____(random internet browser) as a default the net time I opened a different one or something to affect the "open with," but it seems to change by itself.