If your DVD-/+RW writer is not capable if witting to newest and fastest DVD media discs (common error for this »Could not start disk-at-once«) you should do two things:
-
upgrade drivers firmware – you can check your firmware version with free
Nero Info Tool then go to drives producer support page and try to find newer firmware. Follow the instructions for use. Here is a list of
links to some common firmwares.

-
upgrade your burning software (for example
Nero if you paid for it, or try free
Deep Burner if you are looking for news burning software, there is even a
portable version
available!)
(thanks GregorS (who STILL doesn’t have his own blog!))