Microsoft issued an updated version of KB2803821 that addresses the security issues the original update was intended for but claims to have solved the issue affecting video playback, which was reportedly caused by a downgrade in the "wmvdecod.dll" version/codec. It should be safe to install now, as long as you're installing version 2.0 of the KB2803821 Update.

so we must uninstall KB2803821 update :

• Go to Control Panel.
  
• Programs and Features.
  
• Top left, View installed updates.
  
• Let them load, may take a minute.
  
• Under Microsoft Windows is update KB2803821.
  
• Uninstall update KB2803821.
  
• Thats all.

Chybu ve hře, poloviční černou obrazovku počas cutscén způsobuje update od Micorosoftu pod jménem KB2803821, takže musíme odinstalovat update KB2803821.

• Otevřete "Ovládací panely"
  
• Otevřete "Programy a funkce"
  
• V levém horním rohu zvolte "Zobrazit nainstalované aktualizace"
  
• Zobrazení všech aktualizací chvíli trvá.
  
• Pod položkou Microsoft Windows najdete update KB2803821
  
• Odinstalujte ho
  
• Hotovo