How To Disable Autoplay USB or CD/DVD Drives:-

Click on Start button and then on Run (or  press Window+R button).

Type gpedit.msc in the Run Command and click on OK.

In pop up window select Administrative Templates under Computer Configuration section from left window pane and double click on Windows Components in right window pane.

Now look for the AutoPlay Policies and double click on it.

Now double click on Turn off Autoplay.

In the pop up window select Enabled button and in Turn off Autoplay On section select CD-ROM and removable media drives.

Now click on Apply button and then on OK button.