Remove Run menu from Start Menu
User Configuration\AdministrativeTemplates\Start Menu & Taskbar
Removes the Run command from the Start menu, and removes the New Task (Run) command from Task Manager. Also, users cannot display the Run dialog box by pressing the Application key (the key with the Windows logo) + R.
In programs Certified for Microsoft Windows, this policy disables features that allow a user to start the program by typing the program name and path in a dialog box.
This policy does not prevent users from using other methods to run programs.
This policy was documented incorrectly on the Explain tab in Group Policy for Windows 2000. The Explain tab fails to mention that this policy affects programs Certified for Microsoft Windows.