Need help to get ( made) a crack !!!

i bough a game ( swedish game called hjarnkontoret)
and i found out that this game got safedisk 1 protection but i cant find the *.icd file to make a crack to my game.
The realese of safedisk 1 is r4.
My recorder dont support raw so i has to get a crack to the game.
Anyone know anything about this so please help.