We are currently having some problems with the updates for an older version of Ad-Aware.

If you cannot update and are using Ad-Aware Anniversary Edition you should uninstall, download the latest version (9.0.2 or later) and reinstall Ad-Aware.

You can un-install the program, by going to: 
Start -> Programs -> Lavasoft -> Ad-Aware  -> and click on Uninstall Ad-Aware

Reboot your computer.

Then download the software again, re-install it, and register it again. 

You can download Ad-Aware from here.

We apologize for the inconvenience.