Upgraded to Windows 10 and now get "computer is no longer authorized" error messages on sync
After upgrading to Windows 10, none of my devices will sync without an error message about the computer no longer authorized to play purchased items that are on the device (54 songs will be removed from the device). When I try to authorize the computer, the dialogue box contains an unfamiliar apple ID. When I enter my ID and password, the error does not clear. I have tried to deauthorize all computers and reauthorize this one per another thread that I read but it did not work.
iTunes version is 12.2.1.16 64bit.
Has anyone else had this problem and/or know of a fix?