Equalify disappears in spotify after program restart

Can you tell me pls did you notice that behavior of the plugin:
When I restart Spotify (not always but often) the Equalify icon disappears and I can find it only when I reinstall the plugin again. Where can I find the plugin in Spotify if the icon will not show?

You probably just forgot to play music.

The plugin and icon does not load before Spotify tries playing audio.