Mac os x Movericks 10.9.5 after update result

Hi Dear all expert on here please help me i am trying to install movericks 10.9 on my laptop pro book 4540s and its working very fine everything but one problem am going to play any video mx player and vlc player only sound is working picture is not showing on player then i am trying to update my movericks 10.9 to 10.9.5 after update my problem is resolve but one thing is coming on my laptop app store is not working so please help me everything is ok but just app store is not working

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Mac os x Movericks 10.9.5 after update result