Export - Adobe media Encoder - Error code 3

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Hello guys, yesterday i updated my Pr to the last verstion, after that when i export any video they show to me that thir is an error in the adobe media encoder and the error code is 3, when i change encoding settings in performance section to hardware endcoding i get the export but the quality is not as the normal export, i am following som pic of my problem, maybe if any one faced this problem and solved it can help me.

Note: 

The problem started after i updated my Pr

My PC is good (8 GB Ram, 64 bit, Intel core i5 1.60GHz 1.80GHz 

I didn't face any problems like this one befor i updated my Pr