MIDI Issues and Crashing with New Machine

[jiberjiber]

Brand new Acer Predator Helios 18 (Model PH18-73-90A6), running Windows 11 25H2.

MIDI devices will not be recognized unless resolume restarts with the device plugged in, and then will only take input but give no output*.

*Asterisk because the above issue was with two separate APC40 MKIIs, a Midi Fighter Twist, and a Midi Fighter 64, but midi output works on a Traktor F1.

With all of the midi devices above....
-If the device is disconnected from the machine, resolume will crash.
-If the device is plugged into the machine while resolume is running, resolume will not detect the device even with a refresh.

Solutions we've attempted....
-Disabling USB power management
-Updating all serial, USB, and audio drivers to a known working version
-Downgrading resolume to known working versions and even 7.0.3
-Powered USB hubs

Lastly, all midi devices are working as intended with Pangolin Beyond so we are thinking its resolume oriented.

Trying to figure out how to attach the log file, or I could just do a huge reply with it :/

[Zoltán]

Zip the log file, then it can be attached.

If you see the crash again, please use the reporter dialog with your email to send the crash data. https://resolume.com/support/en/reporti ... rt-a-crash
Thanks!

Are other applications running which could be using the midi devices?

[jiberjiber]

Attached!

Resolume Arena log.zip

(24.1 KiB) Downloaded 52 times

[jiberjiber]

Also I missed the question regarding other applications....

No there are no other applications that should be utilizing midi ins/outs.

[jiberjiber]

Yet another reply...


It seems like this issue may be more widespread than I expected. Evidence is pointing to a Windows Update issue. Microsoft is rolling out a new MIDI Services update (KB5074105) that seems to be breaking things with lots of different MIDI devices. Links attached below:
https://devblogs.microsoft.com/windows- ... rkarounds/
https://www.virtualdj.com/wiki/Win11-KB5074105.html

Additionally, here is the GitHub page with the reported issues:
https://github.com/microsoft/MIDI/issues

Maybe this issue deserves a larger thread as a public announcement to not install this specific update?
I've confirmed with other windows machines that MIDI works as intended when the update is not present. There is a tool released by Microsoft to confirm if this update has been installed, linked below:
https://microsoft.github.io/MIDI/


Unfortunately, the machine in question when we started this thread had the update pre-installed so we're unable to remove that specific feature update. Shortly we'll be rolling it back to an windows 11 version prior to the problematic update to see if that is in fact the issue. Will update afterwards.

[Zoltán]

Yes, we just came to find these too.
Gotta love microsoft.

The driver change to USBMidi2-ACX as suggested in one of the links gets midi output from Resolume working again after a computer restart.

Go to Device Manager > Sound, video and game controllers > APC40 mkII or your other controller > right click Update driver > Browse my computer for drivers > Let me pick from a list of available drivers on my computer > USBMidi2-ACX

[yannick.fullrez]

This whole MIDI rework has been in the works for years now. I first read about in September 2024 and have been following it since because people wanted multi-client in Pulse which simply was not possible due to the operating system itself. Kinda surprised nobody else seems to have heard about it.

This update brings a lot of useful features that people have been waiting for years like multi-client (have multiple apps use the same MIDI device) or internal loop back devices out of box.

Sure, not an ideal release by Microsoft, but I see more pros than cons here.

Btw, it's not Win11 25H2 that's bad, it's a specific feature pack that gets installed on 25H2 as well as 24H2 builds. You need to find that and uninstall it to revert the changes.

[b1gb4by]

Thanks for this thread — it helped me solve the same issue!

Resolume Arena 7.24.3 with an AKAI APC40 MKII here. Same symptoms: no device detection while running, crashes on disconnect.

Rolling back to Windows 11 24H2 without the KB5074105 update fixed everything. MIDI is working as expected now.

Hope this helps others running into the same problem.

[Christoph]

https://resolume.com/support/en/midi-tr ... 2-0-update

[LightBaltimore]

Hello, I am running Ave. I just updated the latest version of Resolume, After up date, Midi pads will not light up, Some layers work and some don't. I am also have a problem with screen freeze once in a while, but can't tell what is triggering it. I have Windows 11 pro and Resolume Ave 7.24.3 Let me know if you need any more information