This is what i do and fix my problem:
1- Download Disc Burner from Apple.
2- Restart your computer with extensions turned off.
3- Install Disc Burner.
4- Restart
5- Confirm that the following extensions are enabled: Authorin Support, Firewire Enabler, Firewire Support, Toast CDReader, Toast Firewire Support
6- Make sure this extensions are disabled Firewire Authoring Support, Quicktimr Firewire DV Enabler and Quicktime Firewire DV Support.
7- Restart