Disc Burner 1.0 software requires that your computer have an internal disc drive that is able to write to a disc.
Symptom
You've downloaded and installed the Disc Burner and iTunes software, but you can't record onto a disc.
Solution
2. Make sure the Authoring Support system extension is installed and turn on in the Extensions Manager control panel. You might also make sure that the Authoring Support Files folder is also installed in the Extensions folder.
3. Use Disc Burner 1.0.1 and iTunes 1.1, which work with third-party disc drives.