Volume Meter popup and currently playing audio not showing up and audio buttons not working

[MáximoSavogin]

My computer isn't showing the popup on the top left corner for volume meter and currently playing song when I press any of the Play, pause, skip or the volume keys on my keyboard. And applications like spotify or youtube don't pause or skip correctly now when I press the keys(the ones used for pausing and skipping, the volume ones work fine but aren't displaying), this used to work 2 days ago. Anyone knows what can I do?

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