when i select something and click "decompile", it say «icedc:error:loading config files failed:could not open C:/iceCC/data/arr/units.dat
The IceCC folder has to be located as C:\IceCC. It can't be some other folder like C:\Program Files\IceCC.
That could be it, Or it's just that the file it's looking for isn't in there, This, Making it not able to locate it.