Firefox version 78.0, Chrome version 65.0.3325.181
Mac OS X version 10.9.5
My Question or Issue
Spotify suddenly gets unloaded yesterday (I am using it with free plan) and cannot be played concurrently.
I refreshed (reset) my firefox in order to clear browsing cache and datas but it didn't work, then, I clean installed it, but the problem continues persistently (Spotify stops while loading: see attached screenshot).
I also installed Chrome for testing purpose, and it only plays first 9 seconds of any music and randomly skips some music in an album (therefore, I can't use it).
Because my iMac is built on OS X 10.9.5, I can't install Spotify Desktop Application.
What the next step can I take to make Spotify loaded with my Mac?