My garage band says it wants to update, but when I go to the App store it says none are needed. I also tried to add my main tage jam packs and it say that happened but I cannot find them
For Mainstage 2 Jam Packs check the download status - see my post here - you may need to reindex the loops:
Re: where / how can I buy more apple loops for garage band 11?
Did GarageBand come preinstalled on your Mac and you now need to download and install the additional contents?
Then look at this thread:
Re: Jam Packs in ONE folder only?
Retrieving data ...