Remove right-click menu items from Microsoft Internet Explorer 6 that some third-party software programs add.
1. "Start" menu -> "Run" -> "Regedit".
2. HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt.
3. Find this key you may find folders representing menu items you want to remove. To remove the menu items, just click on the keys and choose "Delete".
Reference:
http://malektips.com/internet_explorer_6_0012.html
