please repeat these steps
1- install ncompress
for this you can download from pkgs.org and install with doubleclick
2- copy IS*.Z to special folder like /home/Desktop/A
3 open terminal
cd /root/Desktop/A
ncompress ISCAP03.Z
(you must convert .TZ to Z)
4 you must have ISCAP03.t in folder A after that
5 in the terminal
tar -xf ISCAP03.t
6 you must have two folders data and iscape
7 you run this in terminal
/root/Desktop/A/iscape/bin/iscape.sh'
8 after that you need install from ISCAPE GUI
i send you several pics for these step