LoopMIDI was designed for modern Windows versions and generally works on Windows 10 and 11. However, because Windows updates and driver-model changes can affect virtual MIDI drivers, occasional compatibility issues have appeared after major Windows 11 updates. These issues often manifest as:
Go to the official source: ( www.tobias-erichsen.de ). Look for loopMIDI version 1.1.0 or newer. The file name may explicitly say "signed." loopmidi windows 11 patched