windows environment you can enjoy a good feature to run CD or DVD automatically when you loaded it into you CD drives on your computer. But if you are not happy with this auto run then you can disable it. In user interface mode there is no option to disable this feature, you must edit the registry of windows and be careful to work registry.
Click Start button then type regedit in Run option then press Enter for next.
Here locate the location to:
Change the value of NoDriveTypeAutoRun to 95 00 00 00 for disable.
At the end restart your computer for this change.