I can't start the game because of this annoying error

[QuickYCow]

Everytime I try to start Multiplayer or Zombie, it says d3d compiler 47 is missing. My DirectX is already updated and I run a program based on this dll to install it, but all in vain. What else should I do ?

[Xerxes]

Common issues and frequently asked questions

//Locked as this is a Questions answered in the FAQ.