I saw that this was asked previously then answered in a PM, so I apologize in advance for being redundant.
Bought Ad-Aware 2007 from a retail store and the download goes fairly smoothly. However, when it comes to the registration of the product it states that it's an invalid serial number. I know I won't be able to get tech support without being registered, and I know of no phone number to call for assistance.
Any and all help is greatly appreciated!
FLMom