LOL OK, OK...
I just wanted to make sure you had done that first!
Well it sounds like you are experiencing problems with the loader on PoP2..
The original exe is triggered and wrapped with SafeDisc protection, therefore it must be screwing itself up and calling not the autoplay function of SafeDisc, but the actual encrypted .exe...
I believe SafeDisc runs a 'driver' on insertion of the disc to check for copyprotection - the problem you are having is that the drive is initialising without running this driver on autorun - the 'POP_PLAY' is actually their driver initialising and then pointing back to the disc 'Prince of Persia - CD2' once it has been verified.
It's definately the SafeDisc protection driver thats causing you problems - 100% convinced of it..
Had to check it wasn't that crazy Windows XP bug first!