Irritating Installation Message!

[Unclebill]

Every time I boot up (XP Home SP2) I get a window warning me that software for KY 4 is available to install but because it is not recognised by Microsoft, it should not be installed.
I think its software for a mouse (which I don't have!!)
How do I find this file and delete it? I have searched repeatedly but nothing shows up & its not shown in 'Add/Remove' or in download history.
Can anyone help please?
Bill
:unsure:

[Larry]

Have a look in your "Program Files" folder, maybe theres something there...

[peter]

It could also be spyware or a worm. I found this link on the W32/Sdbot-KY worm.

Try running some up to date antivirus software on it, and anti-spyware too, and see if that helps.