How to get Cisco pix VPNGroup password in plain text

D0wnload a tftp server my preference is tftpd32.
Run it on a local machine on the inside(0) interface of  your pix.
Login to the pix and type the following command:
wri net 192.168.1.2:pix-config where 192.168.1.2 is the IP of your tftp server.  Once it is saved you can view the password in plain text.