Right click drop down menu.

[Bill]

Somehow there has been this shortcut item added to my
right click dropdown menu when used on any web page. I
have tried to delete it with no success. The item reads:

 

[Mary Sauer]

Get yourself some spyware such as Ad-Aware or Spybot or many others. This article may
help too:
Messenger Service Window That Contains an Internet Advertisement Appears
http://support.microsoft.com/default.aspx?scid=kb;en-us;330904

 

[Gene K]

Pull down "AddAware" and/or "Spybot, Search and Destroy" and run them to
delete such junk.
Gene K