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After upgrading to Windows 10 I was getting an error on loading Windows media player which indicated that:
The current Dolby audio driver version is 7.2.8000.17 and the software
application expects driver version 7.2.7000.7. Please install a valid driver
and application combination
Although Windows 10 has probably updated your driver to the latest version of the driver (you can check this in device manager for yourself) but the Dolby Advanced Audio V2 application which was supplied by Acer (not Dolby) has not been updated to the corresponding latest version.
So, you need an updated version of Dolby Advanced Audio V2 (Version 7.2.8000.17)
Acer have not published an updated version. Looked all over the site coudn't find it.
My solution was to remove the error was to uninstall the Acer version and replace with the correct version downloaded from the Lenovo site below.
I'd wanted to make sure it was the same software, so I tried without uninstalling first and it refused as a version was already installed. So that was reassuring.
Thanks for the archived post below pointing me to the softwre on the Lenoveo site at the Lenovo site.
I'd looked all over the Acer site for it.
There are warnings on the page above not to use the Lenovo version of the software because of 'tuning', but my audio sounds just as good as before and the error is now gone. Without it the Dolby would have been uninstalled so it seemed a reasonable punt to me. Disappointed in Acer, will buy a Lenovo next time...