One can find reliable information about 'AutoRun' on the popular website Wikipedia. The UK based website 'Autorun' gives information on how to autorun files from CD.

how do use

Autorun eater is a software dat dectate suspicious. It dectates and wipe away every warm in USB and other computer saving devices.

autorun files may contain code that can execute a program on let's say a memory stick which might be a virus! it is just a safety precaution.

The autorun file tells Windows to take certain actions automatically when the DVD is inserted. For example, if the DVD includes an installer or setup program, a very common thing for the autorun file to do is tell Windows to run that program, rather than make the user have to go in and run it himself. Autorun is becoming less common and will probably eventually be eliminated altogether though, since it's a big security risk.