WRC 4 requires more free video memory. playing with the current configuration can cause the game to malfunction, please try closing some background applications. WARNİNG ERROR

Graphics card : Integrated Intel® HD Graphics 4400
NVIDIA® GeForce® GT 820M 2GB DDR3

Games opening and normally played. But always it gives this warning.
(Oyun açılıyor ve normal oynanıyor. Fakat hep bu uyarıyı veriyor. )

What's the solution ?
( Çözüm nedir ? )