"[...]Windows 7 with Gamestudio A8.03.2 and the demo didn't crashed."

Hm that's weird. I've tried the code with the current beta (8.04.2b) and with 7.86, same crashes. I'm using Windows XP, if that makes any difference.

"Falls das Resultat nicht einfach nur dermassen gut aussieht, sollten Sie nochmal von vorn anfangen..." - Manual

Check out my new game: Pogostuck: Rage With Your Friends