Crash when i try to apply sha1

Hello i need help i have try looking on the forums before i post this but no luck, my security assist crash when i select the password field click on the thunder icon to open the options i select the password field form then i apply sha1 format to it, when i click OK, dreamweaver just crashes and close, i have windows 7 and cs4 with supersuite all updated, i also have addt just in case.

I have try to clear the cache.dat also didnt work, it just crashes when i try to apply password encryption, help i have over 2 years with webassist supersuite and this was the first time i try to use the security assist due to the lack of addt now wiith php 5.3, going crazy here.