How to Enable or Disable AutoRun - Safer way
Much easier and safer way to disable Autoplay on Windows XP machine is to use Group Policy Object Editor or GPEDIT for short. If you correctly set it, you should hear (ding dong) sound when you plug in USB drive into your PC and nothing will happens.
From the Start Menu, click Run and enter
GPEDIT.MSC
Click OK
Select "Administrative templates / System"
Select bottom tab - "Standard", and scroll down the right panel and look for "Turn off Autoplay".
Double Click on "Turn off Autoplay" in the right pane:
Select "Enable" and click Apply then click OK.
Updated On: 12.07.14