As an addition to the previous post .
Run Regedit
Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion
Right-click on IniFileMapping
Select New then Key
Set name of the key to Autorun.inf
Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\IniFileMapping\Autorun.inf
(in the right-hand pane) Double-click Default then enter @SYS:DoesNotExist to the Value Data text box
read more here