This can be disabled on the PC globally, but I believe an option to disable it also exists in the compatibility options of the game executable files. These games sometimes have trouble starting, or show weird colours or stretch to odd dimensions, if Display Scaling is enabled in Windows.
Those patches, plus a common fix for Red Alert 2's graphics issues, can be found in this thread. The same fixes are of course available as patches, too. More information, plus downloads, can be found in this thread.
Out of all the games in the Ultimate Collection pack, those are the ones you have to worry about the least the unofficial patches available for them fix pretty much all known issues for these games.