editing iso

[logicwatch]

downloaded newer zip same error message typed command as you stated.hope i havent got a game that icomp cant run with
surely it cant be that well protected it already has securom
4.8 ?just to recap on what i have done so far>>>>
used win iso extracted iso of game
opened files using win iso then extracted to folder on desktop
the data1.cab compressed to a folder on my desktop.
in the same folder put the cracked exe that does work and icomp 6.
from the command line typed..... icomp6 r data1.cab simjp.exe simjp.exe
starts program running with error message...could not open data1.hdr!!!!