By default, Autorun is enabled in Windows. This can present a security risk when dealing with CDs, DVDs, and USB drives.
To disable Autorun:
Start
Run
Regedit
OK
navigate to:
HKLM\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\IniFileMapping
create a key called 'Autorun.inf'
double click new entry 'Autorun.inf' Default Key
enter value '@SYS:DoesNotExist'