Please Help : Arma 2 & Combined operations on steam

[jakesansbyx]

I bought arma 2 and combined operations on steam on my old windows computer then i switch my computer to linux and downloaded playonlinux and wine then reinstalled arma 2 on steam playonlinux. Then i try and run it using wine and i get a error "DXT2...DTX5"
Please help i really want to play
Thanks Jake