Arralen is right. Best to be safe and have someone check your hard drives integrity.
Tollund,
Autorun is a feature best disabled. Ever heard of the Sony rootkit?:
http://en.wikipedia.org/wiki/Sony_BM...ection_scandal
http://en.wikipedia.org/wiki/Extended_Copy_Protection
Not to mention viruses that can be transmitted via simply inserting a cdrw disk, floppy (yes some people still use these
) or flash drive.