When playing music on MP, all other probrams run slowly

Usually i like to play on Pogo and play my music on the media player, I have
mp 11. In the last couple of months, pogo runs real slow when playing music.
I have contacted pogo, and followed all of their tips, but it doesn't seem
to be on there end. Was wondering if anyone else had this problem and how to
fix. Today i have had trouble with all programs running slowly when music
was playing. My email, other websites, etc.
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Lucasray29