Hello to all!! i need your help!!!

I´ve download the program , and i put all the files like the tuturial (in the n900 root) and install the .deb file, them restart the phone .
But when i try to start the program after 1 or 2 secons it closes....... i have already reinstaled once again and again.... every times it closes when i try onpen it.... Anyone can help me ... Please!!