Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
iTunes 11 To Be Released Today ?
So with time running out this month for Apple to release iTunes 11 it finally looks like we have a release day on our hands. A couple of online reports are suggesting that we will see Apple release the long awaited iTunes 11 later today , Thursday 29th November just a month behind schedule.
Incase you have forgot all the new features which are coming in iTunes 11 we have put together an In depth look at the new features in iTunes 11.
UPDATE : You can not download it from the Apple website yet just use software update and it should be there waiting for you. We have also got the direct link to download iTunes 11 here