Remove Properties from My Computer

Start/Run/Regedit

“HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\ Policies\Explorer”
Value Name: NoPropertiesMyComputer, Data Type: REG_DWORD (DWORD Value) Value Data: (0 = Properties, 1 = No Properties).
Create a new DWORD value, or modify the existing value, called 'NoPropertiesMyComputer' and edit the value according to the settings above.

This restriction removes the properties option from My Computer and hides the "System Properties" screen.