Hi Christine
I have never seen this before. I guess you should try deauthorizing the mac.
Then make sure that the mac has the same itunes username as the windows
machine. Reauthorize and then sync the phone.
If you continue to have problems make an appointment at your nearest Apple
store
I realize that I should have given more information about what I did before
giving up in frustration the other night when I could not sync my iPhone. Some
of the suggestions I received I already tried, e.g., my first try was after
checking do not sync all content, and I did try powering everythi
