A quote Posted at Wilders Security Forum - Also a link to the thread -
I guess your not aware that the original Developer of SD is no longer behind the driver seat and the program is no longer being updated.
The current site is believed to be not trust worthy.You may want to rethink your purchase decision.
Do some thread searching here on SD and see for your self.
Start Here http://www.wilderssecurity.com/showthread.php?t=305159
The program is still listed as on sale from $25 to $35 on several sites -