copie's won't work

[bobo63]

my son ( 3 year old ) got a hold on a few games and dystroid them complete.
autch!!
so make copies they say... its easely.
i tried but no succes...
tried alc120% and clonecd ( direct copy 1-1 or on the fly? )
no luck.
it looks that my game is installed but it wont play without the original cd.
and after using almost a complete spindle of cd's i just had it..
grrrr
what am i doing wrong?
must i chance settings or something like that?
is there anybody who can help me about: what to do or give directions where i can look???