Do you have any packet writing software installed such as
nero's INCD or roxio's Dragtodisc as they can cause problems with
1click.
check the link below from the 1click FAQ pages about conflicting software.
http://www.lgsoftwareinnovations.com/faq.asp#conflicts
either that or come on over to
www.dvdrextreme.com .you may get help a bit quicker over there as that is the dedicated 1click support forum.