A routine Windows 11 update has been silently breaking DJ controllers for thousands of DJs since late January 2026. Microsoft’s new “Windows Midi Services” – an overhaul of how Windows handles Midi, adding Midi 2.0 support – rolled out via automatic updates and is causing DJ controllers to appear completely dead in DJ software, even though Windows says it can see them just fine.
The symptoms are consistent across reports: you plug in your controller, your DJ software detects it,…
