Maybe you don't like this feature because it's disturb your work maybe, so why you don't disable this feature. I will give you the tips. Just edit the registry.
- Open Run Window : Klik Start ---> Run ---> And type regedit
- Looking For HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Cdrom
- Change the Value of Autorun 0 to disable and 1 to enable. To take the change effect, restart your computer.