Try to delete these files:

~/Library/Preferences/com.devteam.pwnagetool.plist
~/Library/Preferences/com.devteam.quickpwn.plist
~/Library/Preferences/com.devteam.redsn0w.plist

If does not work start pwnagetool from the Terminal and see what kind of errors it might spit that can help you find the solution for the crash.

Open Terminal (/Applications/Utilities/Terminal.app) and type:


I hope this helps.


Cheers

__________________
.