Let see how to disable the Autorun in the Computer
1) Go to Start
2) Go to Run by Pressing Windows+R keys
3) Type gpedit.msc ( Group policy Editor ).
4) Now click on the Computer Configuration in that panel
5) Now go to the Administrative Templates in that panel.
6) Now Finally come to the System in that panel.
7) Now you Turnoff the Autoplay and modify it as your wish.