Disable Windows command prompt
In order to follow the steps listed below, you'll need administrator rights and have access to the Microsoft Windows Group Policy editor.
Click Start, and in the Run box type: gpedit.msc and press enter.
In the Group Policy Window, browse to the User Configuration\Administrative Templates and highlight the System folder.
In the System folder, double-click "Prevent access to the command prompt."
Change the Setting to Enabled, then click Ok.
When entering the command prompt, you should now receive a prompt similar to the example below.
The command prompt has been disabled by your administrator.
Press any key to continue . . .
If you wish to re-enable this feature, follow the above steps. However, instead of setting the option to "Enabled", change it to the default setting of "Not configured."