http://www.intowindows.com/how-to-remove-intel-menu-graphics-properties-graphics-options-intel-tv-wizard-from-windows-7-desktop-context-menu/

regedit HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers

http://www.askvg.com/what-is-skydrive-pro-option-and-how-to-remove-it-from-context-menu-after-installing-microsoft-office-2013/

http://www.sevenforums.com/general-discussion/138515-how-remove-pin-taskbar-context-menu.html