Cannot open Radarsat (SGF) in MapReady

Hello,
I would like to use MapReady to perform orthorectification on Radarsat imagery (with processing level SGF). I tried several times to open the imagery with MapReady, it was not successful and the software shut down immediately. What will be the possible problem?
Thanks a lot

__________________

Cliff Lau

#1 I will need some more

I will need some more information about this. Could you send me (rgens@alaska.edu) the log file with the error message? I would be helpful to know which ground station you got your data from.
 
Cheers,
Rudi