Authorization problem
computer is authorized but I keep getting a message saying it is not authorized
Question marked as
If that happens when you try to play a song, that is usually an indication that the song films corrupted somehow. Delete it and redownload the song.
Redownload music - Apple Support
See the reply to:
I have authorized my computer but for som… - Apple Community
Also see:
Authorize or deauthorize your computer for iTunes Store purchases - Apple Support