How can I remove items from the right click context menu in Windows XP? Screenshot attached.?

Question

I mean, the blank items.

Screenshot below:
http://img225.imageshack.us/img225/3917/contextmenuqa8.jpg

Answer 1

try removing it from registry editor(regedit)
probably u have uninstalled some software recently.
search for the software name in registry editor and delete all entries

Answer 2

http://www.pcworld.com/article/id,118255-page,1/article.html