Ive been using Muse fro many months and have an active subscription account. Today Muse informed me my trial period is over. Im not on a trail. Any ideas?>
I have the latest download.
Try to log out from your CC account via CC Desktop application, close and restart this application, then log in again.
In addition to what mac_heibu suggested, see this article Stop Creative Cloud from reverting to trial mode for more help.
Retrieving data ...