Here are the summary of the software:
-This software is a portable version so it is not required to install in order to run it.
-Basically it helps you to on disabled auto-run with a click instead of you editing the registry.
-You need Microsoft .NET Framework 3.5 or higher to use this tool.
-If you’re using Windows Vista or Windows 7, it is pre-installed in the system.
Wikilogy:
There is another similar tool called Panda USB Vaccine. I haven personally use Autorun disabler. So I can't determine which is better.