i really need help to remove KDE

[THE IRAQILION]

hello guys i installed KDE before 3 days but now i wanna remove it complitlly how is that ???
i tryed every thing and nothing is working i removed KDE but when i restart pc i see kubuntu its like a nightmare so please help me with this i tryed to go back to gnome to make it defult but i cant its do nothing when i type this
sudo dpkg-reconfigure gdm
so what to do :((

[3Miro]

KDE is not a program, it is a collection of programs with many components. You have to uninstall all the components individually (and make sure they are not used by other programs, like if you want to use kaffeine under Gnome, you still need some components of KDE).

Check this one out:

http://www.psychocats.net/ubuntu/puregnome