Ad-Aware 2008 Discontinued At End of January.
As of January 31, 2010, technical support and Definitions File threat updates will be discontinued for Ad-Aware 2008.
To stay safe online, make sure to use the current version of Ad-Aware. You can see which version you’re using through Ad-Aware’s interface – just click the ‘About’ button in the bottom right corner of the program.
Source - Ad-Aware 2008 Discontinued At End of January | Lavasoft