[Mobhack]

And my laptop has that resolution, and works fine in both modes in W7.

You wouldn't happen to have the auto-hide[/b] function turned on for the task bar by any chance?. If so - please read the big red box with flashing text that is placed in the Game Guide, "Running WinSPMBT from the GameOptions Programme" section , which is right at the front of the G/G in the installation destructions.

If no auto-hide "on" problem, then an incorrectly patched game is the usual reason since the weird 768 deep wide-screen resolution needed a tweak of -2(?) pixels as it is not properly divisible by 4 pixels, or whatever the WinVFX graphics library requires. That tweak only appeared in a later patch, but users who have not correctly patched may see that, since the 2 pixel extra also mangles the graphics that way. (Patch skipped, or end user has manually patched to the wrong path, or end user has used the default /program files/ hierarchy as specifically told not to for vista/7 and later, and so vista/7 has cheerfully put your patch files into some weird folder (probably under your user data) - as a result of that)

But - me suspects auto-hide as the culprit, since you appear to have a patched to-date GG.

cheers
Andy