Disable or Remove Open With Context Menu

Its possible to Remove the "Open With" context menu option that you get when you right click in windows explorer. This registry hack is a machine specific registry key though so will effect all users on the server in a terminal server / RDS environment.

HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\Open With

Delete the (Default) value
{09799AFB-AD67-11d1-ABCD-00C04FC30936}