CD/DVD Door Guard Pro is the perfect solution to prevent crash of DVD devices. This utility will start protecting your drive immediately. Click for a few times, and you can lock the DVD device's door. After locking it, pressure on the button on front of DVD drive will not take effect. It can lock this device automatically at logging on, and unlock it each time you open the device's door from menu.

The license of this software is Free Trial Software, the price is $14.95, you can free download and get a free trial.