This update, which is being rolled out gradually, has created significant compatibility issues for software like loopMIDI, which were built on the previous MIDI 1.0 architecture. The new system fundamentally changes how MIDI ports are managed and enumerated.
The only official source for loopMIDI is Tobias Erichsen's website. Navigate to the official page: https://www.tobias-erichsen.de/software/loopmidi.html . Click on the "Download" link to get the latest version of the setup executable (a .exe file).
The most common issue users encounter is a MIDI feedback loop. This happens when an application is accidentally configured to both read from and write to the exact same loopMIDI port simultaneously. This creates an infinite loop of data that can freeze your DAW or crash your MIDI driver. loopmidi windows 11
To understand how loopMIDI functions, let’s look at a classic setup: routing MIDI notes from a standalone app (App A) into a DAW like Ableton Live or FL Studio (App B). 1. Configure the Sending Application (App A) Open your standalone MIDI application. Go to its . Look for MIDI Output Devices .
loopMIDI has a tray icon. Right-click the tray icon to hide the main window, saving screen space and background CPU. This update, which is being rolled out gradually,
Open loopMIDI, click on the Start minimized checkbox, and ensure it is allowed in your Windows 11 Startup Apps menu (Task Manager > Startup Apps). Noticeable Latency or Lag
You will see the exact same loopMIDI port listed under your inputs. Navigate to the official page: https://www
Right-click the downloaded installer and select . Follow the on-screen prompts. Windows 11 may trigger a User Account Control (UAC) prompt; click Yes to allow the installation of the virtual device driver. 3. Configure Your First Virtual Port
If your MIDI hardware driver isn't "multi-client" (meaning only one app can use it at a time), loopMIDI can create a bridge to share that data with multiple programs. Steinberg Forums Windows 11 & The New MIDI Stack (2026 Update) Starting with Windows 11 versions 24H2 and 25H2 , Microsoft has begun rolling out Windows MIDI Services , a complete rewrite of the OS MIDI stack supporting and native multi-client Windows Blog