Problem with doing an update to Garage Band
The APP Store lists a update for garage Band (which came with my iMac), however, when I try to do the update - I get a message saying that it does not recognize my apple id. I have changed my password several times but I think that the user name has remained constant over time. Never experienced this problem before having done numerous updates through the App Store. Is there a way to determine what Apple ID is tagged to the App? Any suggestions on what to do? Thanks in advance for any help.
iMac, OS X Mavericks (10.9), iMac 27"