Hmm, and why would that be..?
Its normally installed to c:/Program files/Warrock
ediT: Did you put the file you recieved in
"C:\Program Files\WarRock"
Or "C:\Program Files\WarRock\System"
?? The one in C:\Program Files\WarRock\System is erroring, So did you putted it there..?
Did you ever edited some files..?