Start the PlaneShift launcher. Click "Settings", then "Graphics". The fourth last option is the one to uncheck.
Oh, wait. Your launcher is already black? Then the VBO option is certainly not the cause. VBOs are only used in a 3D rendering, the launcher doesn't have such. And the launcher would only set up the options for the game, but not for the launcher itself.
I rather wonder if you have such an antiquity of graphic card that it doesn't support OpenGL rectangle extensions correctly. But then it won't be suitable for the game anyway.
We already tried to help people discovering their hardware details dozens of times. But still there are people who can not even tell us which Operating System they have.