There's something wrong when running Apple Music on Mac

Hi, there . Recently, I found when I listening to my Apple Music on Mac, the AVAST! was always pop-under infection blocked.I thought it may be Bugs.For details, PLEASE see the picture blow.

https://forum.avast.com/index.php?board=5.0

http://lists.clean-mx.com/pipermail/viruswatch/20150623/297012.html