Please note that the error message you are receiving is created when performing a webupdate of the definition file. (our detection database). The Ad-Aware program itself cannot be upgraded by using the webupdate feature. If you are a Ad-Aware personal user, then you should download the latest copy of Ad-Aware SE Personal from http://www.download.com/Ad-Aware-SE-Person...4-10399602.html
If you have purchased Ad-Aware Pro / Plus from us, then you can receive your upgrade by visiting our customer centre here