Hi,

If QWS gives an error about not being able to open a MIDI port, the most common cause is that something else already has it open. This might be media player or some other MIDI-related software.

You can try closing other programs that might be using the device, then going to the ports selection in QWS (alt+o+p) and pressing enter. I believe this will force a reload of all selected ports without you having to reload QWS itself.

On 5/24/2021 7:59 AM, Joe Giovanelli wrote:
Good morning,
























restating the original problem, I cannot use QWS to play MIDI files on my Win 10 computer. QWS cannot open the out port on my Medeli SP-4200 keyboard. These files play when using Media Player.


Jacki McBride sent me a link to an article about resolving MIDI conflicts. I do not understand a lot of the contents of the piece, but one thing struck me. That article appeared to assume that MIDI files don't play.
As I said, they do with Media player.


QWS operates properlyon my Win 7 machine.


I couldn't find the MIDI mapper used on that machine. When I got the Win 10 computer, I looked for another one and found Coolsoft Midi Mapper.


Is QWS in conflict with the mapper? I don't know.


This is all the info I can think of related to my difficulty. I can only hope one of you has an idea as to what I can do next.


I thank you for reading through all this.


Joe Giovanelli, W2PVY

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