We have been made aware of an issue with the latest Spotify update (1.0.62) and Equalify.
Symptoms: Spotify freezing on load. Gray/black Spotify window.
A fix is already being tested and from internal and user testing it seems to fix the problems.
If you have not been updated to Spotify 1.0.62 yet you will receive an automatic background update to Equalify next time the EQ is loaded. If you are already on 1.0.62 you will have to download and install the update manually.
Initial report thread: Equalify crashes/freezes on spotify version 188.8.131.528.g2c497f24
Update discussion/Issue report thread: Beta - Equalify 1.2.5 (Spotify 1.0.62 not loading fix)