Maybe this is one of the relevant log messages: warning: Error running OnCollisionCheck script in Entity at 27a60700: Unexpected type for army object stack traceback: [C]: in function `IsEnemy' ...rogramdata\faforever\gamedata\lua.nx2\lua\shield.lua(360): in function <...rogramdata\faforever\gamedata\lua.nx2\lua\shield.lua:334>

That is a directx call that fails - are you running on Linux? Or are you accessing textures through another program?