Yes, Ad-Aware 2008 is compatible with XP pro 64bit
Copied this from the Ad-Aware Pro product sheet:
http://www.lavasoft.com/company/pdf/aaw200...roductsheet.pdfQUOTE
System Requirements
Pentium 600 MHz or faster¨
RAM Operating system
¨+ 100 MB
50 MB free hard disk space¨
Operating Systems ¨
Windows 2000 Pro
Windows Server 2003
Windows XP (Home and Pro)
Windows Vista (32- & 64-bit)
Web Browsers¨
Internet Explorer (5.5 or higher)
Firefox (1.5 or higher)
Opera (9 or higher)
If you would like to try out the product first on your system before you buy it, you can use the free trial here:
Here is the link to the Trial Center
http://www.lavasoft.com/trial_center/