Everything Dissapears after a couple of turns

Me again. I suspect I'm going to be on here quite a bit now I've finally got hold of this game.

The problem this time is that after a couple of game turns I'm finding everything excpet the basic map details and the Unit/Army flags are disappearing. All I can see are flags floating round the map. Anyonw else had this problem and any idea's on a solution?

[As You Were] Think I've found a fix....all I need to do is alter my graphic's setting everytime it happens and they magically reappear.

That sounds like it might be a driver issue, either needing to update, or perhaps roll back if your card recently released a new one (NVidia released a driver like 2 days before release and caused all kinds of fun)

used the beta driver or driver release before feb.