Comp freezz when try to burn dvd

i am a total newbie so dont know much about this kind of thing. I bought and installed nero 7 last month, and ever since I tried to burn dvd its always freeze my computer. I have uninstall and reinstall it again but the problem still there. Please, please anyone tell me what the problem is and how to fix it, thank you in advance.

Start by providing more info, burner, firmware, software etc.