I know . Michel_ in IRC told me thier is no way to fix this .app/Contents/MacOS/blender can't open library: /usr/local/lib/libSDL-1.2.0.dylib But maybe someone else might have a bit of an insight of what could be wrong It is Tuhopuu2 OSX . The problem is that on somebodys elses (not mine) comp it pop up that message and quits. Please help.