DayZ Namalsk error

[Emmu 18]

So when i go to join a server i get this error

"Data file too short ‘C:\Program Files(x86)\Steam\steamapps\common\Arma 2 Operation Arrowhead\@DayZ_Namalsk\addons\ns_sounds.pbo’. Expected 72827626 B, got 25164270 B"

[Steak and Potatoes 13480]

Go into steam library right click op arrow head properties and select verify game cache. play and exit game reload and select a Namalsk server

Edit: Edit.

Edited November 26, 2012 by Steak and Potatoes