RealTek audio Alienware 17, dolby digital plus audio driver version is 7.6.3.1 and the software application expects driver version 7.5.1.1 issue

Hi all, 

After installing Win10 i got this message as below. I have tried to reinstalled the RealTek audio driver but no go. Anybody here can help? I have a Alienware 17, was manufactured in 2014

The current dolby digital plus audio driver version is 7.6.3.1 and the software application expects driver version 7.5.1.1. please install a valid driver and software application combination.