Commandos 2 Disc0 (data5.cab)

Hi
I have Commandos 2 from a friend he burned it and installed it on his computer and it worked. And I wanted to install it on my computer and it don´t worked !? I install the game with disc 1, disc2, disc3 and then he wants disc 0 for the file data5.cab and i don´t have disc 0 and on the other CDs there is no data5.cab ??!!??
thanx