Blood Omen 2
 

Create temp. dir. and copy there all files from CD1 and CD2
Open install2.dat in UltraEdit-32 or any other HEX editor
Go to Search -> Find and tick 'Find ASCII'
Search for bloodomen2-2 and replace '2' on the end with '1' (bloodomen2-1)
Make iso file using WinISO with label bloodomen2-1

Grumpy make me to figure out myself :)