Every time I run ARMA 3 it crashes. And it appears on the desktop txt document.Arma3Launcher_Exception_20151217T065505

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Exception

System.IO.FileNotFoundException: Could not load file or assembly 'System.Xaml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. Не удается найти указанный файл.
File name: 'System.Xaml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'

   at Launcher.Program.StartGui(InitArgs param)
   at Launcher.Program.HandleCommandLine()

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(shortened, full log in the attachment) {F27604}