Use registry to clean right context menus

Some applications will install his quick launch items in the mouse right click menu, but many of the quicklinks are useless.
So let's begin to clean them and make our computer world clean as white snow.

Type 1: clean right menu item
1, use registry(run regedit.exe)
2, expand [HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers], find the item which you want to remove, like NamipanExt etc., delete it.

Type 2: clean right click new item
1, use registry(run regedit.exe)
2, expand [HKEY_CLASSES_ROOT], ctrl+F, find ShellNew, if you don't need it, rename it to ShellNewOld.

Update on March 17, 2011-
Type 3: clean right click IE item
1, use registry(run regedit.exe)
2, expand [HKEY_CURRENT_USER]\Software\Microsoft\Internet Explorer\MenuExt
Delete something like Thunder... Udown...
Udown? You done.

Update on November 14, 2012
Now a great tool can support this: CCleaner
CCleaner is a tool that can help you clean clean your system, like temporary files  cache etc., fix registry problems, and uninstall/install software etc.

To clean context menu, we can
1. click tools icon
2. Click StartUp area
3, In "Context Menu" we can enable/disable or delete the items.