I left all my settings default except for the sony logo and no umd driver thing.
That's strange, as far as i know the only thing matters is the driver setting.
Don't know if it'll be much of a help, but try this thread:
http://www.pspmod.com/forums/psp-sof...0020148-a.html (FIXED: "The game could not be started." (80010002)/(80020148))