Disable Control Panel

Paste the following in Notepad and save it with a '.reg' extension. Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] "NoControlPanel"=dword:00000001 [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] "NoControlPanel"=dword:00000001

Now merge it with the windows registry. To enable opening the control panel delete the "NoControlPanel" key in the registry.