Zero4life

please insert disk one or find a different file

Ok i got all 3 games lock on, flaming cliffs,flaming cliffs 2 the 1st to install fine but then flaming cliffs 2 it wont install it says set up not found plz put in the disc or try a new file i try every file on my computer nothing i try installing the game to different folders i try to restall the hole game to a new folder nothin same thing plz tell me how to fix