Disc read error with my philips pbdv1640p (im using alcohol 120%

hi i get disc read errors with every pc game i try to copy but i have not tried to copy any dvd pc roms only tried cd roms.
ive tried to burn these unsuccesful games on another pc and they worked they games installed and played on all my mates pc’s but they didnt even play on mine.
but i can burn ps2 dvd games

i am realy confused now
can you please help

Tell us what games you are trying to copy. Many use unreadable sectors as part of their protection scheme and there may be little to worry about.