Did you try the following?
Originally Posted By: SchokoKeks
- failure to install the latest DirectX 9c version. Even though windows 7 comes with Direct X11, you might still need to install the newest DirectX 9c version to run A6. For A7 and A8 I know that this is neccessary for sure. See if there is a "d3dx9_30.dll" file in your game directory. Try deleting it if it is there or moving it there if it isn't.

"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