If none of the remedies work in the document you might want to consider the information in this link
Moved to Top Threats
Try running the Fake AV Stinger, which can be downloaded from here
If it doesn't find it use the link that Tom (K3TG) has provided - it provides a lot of useful information.
XP Internet Security 2012 / XP Security Center 2012 / XP Antispyware 2012 / XP Antivirus 2012 / XP Security 2012 / XP Home Security 2012 all these are same spayware.
If you are trying to remove this spyware, there are full instructions on how to do that manually at the link :Message was edited by: Ex_Brit on 29/12/11 7:01:18 EST AM