why can't i play music after upgrade

[WPCentral Question]

I have music on pc using win 8.1 before upgrade.....cannot play music after.....and in addition I get message for some music that I do not have rights to play. how do I fix this?

 

[Pacus1x]

A quick solution would be using another media player like AIMP, VLC o Foobar 2000.