Age of empires not purchased

Cant openAge of empiresIV as it says “due to my recent refund i have to re purchace”??
i have been playing this game for 12 months and never got a refund…
What the heck? i have uninstalled and reinstalled, it comes up i own the game, i try to launch through geforece as i always do and just keeps coming up that "due to my recent refund i have to re purchace’
i cant even do that as it says i own it…
(everything is up to date as i always keep it}
windows updated,
ge force apdated,
i have tried everything to no avail…