Virtual MIDI Ports The primary feature of on Windows 11 is the ability to create an unlimited number of virtual MIDI ports . 💡 Key Feature: Port Persistence

Windows 11 heavily relies on Hypervisor-Protected Code Integrity (HVCI) to prevent malicious code from injecting itself into high-privilege drivers.

Loop MIDI is a powerful tool for working with MIDI files on Windows 11, but compatibility issues have been reported. Fortunately, a patched solution is available that resolves these issues and ensures smooth and reliable performance. By following the steps outlined in this article, you can get Loop MIDI up and running on your Windows 11 system and start creating and editing MIDI files with ease.

Alternatively, right-click the port and configure it to ignore short spikes if you are confident your routing is correct. How to Route MIDI in Your DAW

Windows 11 features strict security protocols, including mandatory driver signing. The Conflict:

Since Microsoft is aware of the compatibility issues, they have offered a proactive solution: a for programs like loopMIDI.

Open Ableton Live and navigate to . In the MIDI Ports list, look for Input: loopMIDI Port .

Microsoft developers have confirmed that (loopMIDI, loopBE, teVirtualMIDI) are not always visible in the new MIDI stack.

via File → Load Port Configuration.

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

The source of the problem lies in Microsoft's ambitious overhaul of the Windows MIDI infrastructure. In early 2026, updates (such as KB5077241 and KB5077181) began rolling out to Windows 11 versions 24H2 and 25H2, which introduced the new "Windows MIDI Services". This new system is designed to be a modern, multi-client, and low-latency platform that supports both legacy MIDI 1.0 devices and the high-resolution capabilities of MIDI 2.0, a significant technological leap forward. However, as these updates rewrote the core code for how the OS detects and manages MIDI ports, they introduced a critical compatibility break. The mechanisms that older drivers like loopMIDI rely on no longer functioned as expected. Consequently, the system often fails to enumerate the virtual ports created by loopMIDI, making them invisible to any MIDI-enabled software, including popular DAWs.

The patch ensures compatibility with the new Windows MIDI 2.0 framework, which includes faster transports and automatic translation between MIDI 1.0 and 2.0 protocols. Built-in Loopback (Alternative):

This patched version works seamlessly on Windows 11 without needing to disable Secure Boot or mess with bcdedit test mode.

Tobias Erichsen actively updates his software. The "patched" version you actually need is simply the latest official release from the developer's website, which includes updated, digitally signed drivers designed to comply with Windows 11 security policies. Step-by-Step Installation Guide for Windows 11

LoopMidi is an indispensable virtual MIDI cable tool for Windows users, particularly those working with DAWs, live streaming setups, or musical hardware routing. However, as of early 2026, many users have encountered significant issues where .