That app is made to interact directly with the monitor/screen drivers, under Parallels the monitor driver that Windows uses is a generic one that interacts with a 'virtual screen' in Parallels, Parallels then interacts with OS X and it's OS X that interacts directly with the screen, whereas in native XP the monitor/screen drivers interact directly with the screen. You also can't use Samsung drivers under Parallels because for Windows what it 'sees' is a generic screen not the Samsung screen.
Last edited: Aug 31, 2008