One thing that bugged me with Mountain Lion is that Apple has dropped X11 which has caused all my Wine apps to crash. Luckily there’s an easy way to fix this (unlike Rosetta which still pisses me off) and here’s how you fix it.
This will probably be the shortest post you’ll ever read. Download XQuartz and make ‘em work again.
Thats really all there is too it. Make sure to fetch the latest version to make sure its compatible with Mountain Lion. If you have some difficulties, feel free to drop me a comment and I’ll get back to you.