Apple Music, iTunes Store, and iTunes Match availability may vary by country Apple Music trial requires sign-up and is available for new subscribers only. By System Restore process you can take your computer back in time to solve the problem. Please contact the developer for an updated visualizer that is compatible with iTunes 12.1 or later. Hope this works for you to fix DLL errors in Windows 10, 8, 8.1 & 7. Some third-party visualizers may no longer be compatible with this version of iTunes.