(Searched the knowledgebase but didn't find the solution).
I have a colleague's laptop which is infected with the Antivirus XP 2008 spyware and the Gaggle.D/Israfel.vbs worm (and probably a lot more too - they didn't have AV on the laptop and downloaded from internet).
The error message "the system administrator has set policies to prevent this installation" is preventing me from installing an AV package as well as opening the registry editor. This is so in Safe Mode as well as the Safe Mode administrator. As its XP Home there isn't the gpedit.msc snap-in and I'm hitting a brick wall.
Any help appreciated.