How to prevent virus infectious flash disk into the computer / laptop

The steps are:

1. Open box dialoh run. Able through Start -> Run or press the Windows key on the keyboard, hold down and press R (Windows + R).

2. After the run dialog box appears, type gpedit.msc, press OK.

3. This will bring up the Group Policy window

4. Masukkah folder to Computer Configuration> Administrative Templates> System.
5. Double click on Turn Off Autoplay.
6. Then on Turn Off Autoplay Properties window select the Enabled option. In the Turn off Autoplay option on select All drives. Click Ok.

7. Next, open the folder User Configuration> Administrative Templates> System. Then do as steps 5 and 6.