One of the most popular tools for this purpose is by Tobias Erichsen. Lightweight, free, and reliable, loopMIDI has served as the go-to virtual MIDI port creator for Windows users for over a decade.
If you need help configuring loopMIDI with a specific piece of software, tell me you are using and what hardware or software you are trying to connect. Share public link
Are you trying to connect two specific apps (e.g., DAW to OBS)? Are you using MIDI 1.0 or 2.0 devices?
Are you encountering a or port muting issue? loopmidi windows 11 patched
Name the ports clearly based on their intended routing (e.g., DAW_To_Synth or Midi_In_Bridge ).
The root cause of this issue lies in a significant system update. With the release of Windows 11 version 24H2 and 25H2, Microsoft began a stack. This modern architecture represents a major overhaul of how Windows handles MIDI, bringing support for MIDI 2.0. However, it has inadvertently broken compatibility with older virtual MIDI drivers, particularly those, like loopMIDI, that rely on the deprecated WinMM API.
If your loopMIDI is not working, the most effective temporary fix is to force-restart the Windows MIDI Service. This allows loopMIDI to latch onto the updated system architecture. One of the most popular tools for this
Click the (plus) icon in the bottom left corner to create a new virtual port.
A highly stable alternative built on modern driver architecture. It integrates seamlessly with Windows 11 security protocols and offers low-latency performance. 2. Tobias Erichsen’s rtpMIDI
Lucas Magnoni Nascimento. 20. Mar 5, 2026, 5:14 PM. Yes! God bless you for the YT video, Xavier. It solved my problem immediately. Microsoft Learn Loop Midi hidden in Windows 11 25H2 fix - Page 2 - Cubase Share public link Are you trying to connect
Microsoft has officially acknowledged this compatibility bug, which affects dynamic ports created by third-party drivers. This has created a frustrating situation for many creatives who rely on loopMIDI for internal MIDI routing in their setups.
If you use complex routing scripts or heavy MPE (MIDI Polyphonic Expression) data, loopMIDI might mistake your dense data stream for a feedback loop and mute your port.
📌 : Always ensure loopMIDI is running before you launch your music production software, otherwise the virtual ports will not be detected by the MIDI host. To help you refine this further, could you tell me:
Like any operating system transition, moving from Windows 10 to Windows 11 introduced under-the-hood changes to how audio and MIDI drivers are handled. The Conflict:
Right-click the installer and choose . If you see an "Unblock" checkbox at the bottom of the General tab, check it, click Apply, and run the installer as an administrator. 3. Port Disappearance After Sleep Mode