OK, I had the same problem, solved it by uninstalling MMC 7.6, rebooting, then installing them again fresh from the ati site. I think I'ts cuz the MMC7.6 i had was a beta or prerelease.Atari Fan said:i am having problems with MMC 7.7 Upgrade. it says MMC 7.6 is not installed when it is. i tried re-installing MMC 7.6 and still it says MMC 7.6 is not installed. anyone else having the same problems???