Error:
"Warning! The registry settings used by the iTunes drivers for importing and burning CDs & DVDs are missing. This can happen as a result of installing other CD burning software. Please reinstall iTunes."
http://www.gearsoftware.com/wiki/index.php?title=CD/DVDdrives_disappearing_due_to_incorrect_registryentry
-On the Start menu, click Run.
-Type regedit and click OK.
-Click the plus sign next to HKEY
LOCALMACHINE to expand the tree.
-Click the plus sign next to SYSTEM.
-Click the plus sign next to CurrentControlSet.
-Click the plus sign next to Control.
-Click the plus sign next to Class.
-Click to select the heading that begins {4D36E965- (don't click the plus sign here).
-Create new entry of type REG
MULTISZ (multi-string value) In Registry Editor, click Edit -> New -> Multi-String Value
-Name new entry UpperFilters
-Add value GEARAspiWDM and press return. Click OK
-Close registry editor
-restart
-iTunes and no Error.
-Test by right-click on playlist and burn playlist to disk
-pops up with options for CD
-please insert a blank disc
http://support.apple.com/kb/TS2372