1) The easiest and most effective means to truly disable autorun can be done via this simple autorun registry hack:
REGEDIT4
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\IniFileMapping\Autorun.inf]
@="@SYS:DoesNotExist"
2) To use this method, Open Notepad and copy/paste the following into a text file:
REGEDIT4
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\IniFileMapping\Autorun.inf]
@="@SYS:DoesNotExist"
Save the file as something.reg. (You have to be sure to change the "Save File as Type" to "All...