Cubase 13 pro random freezes on startup

Hello!

Sometimes my Cubase freezes when I start it up usually on hub or creat new project window.
System:
14900K
Windows 11 pro
48Gb RAM
RME UFX
some of the latest dumps:

Cubase 13.0.50 64bit 2024.10.29 2.02.57.655-freezedump.dmp (935.2 KB)
Cubase 13.0.50 64bit 2024.10.28 13.34.08.906-freezedump.dmp (917.8 KB)

Cubase 13.0.50 64bit 2024.10.28 13.30.07.536-freezedump.dmp (883.3 KB)
Cubase 13.0.50 64bit 2024.10.28 8.02.54.435-freezedump.dmp (896.5 KB)

I’m not necessarily an expert on examining dump files, but since you haven’t seen a response so far, I’ve tried to have a look.

And it seems that the issue might be the Windows MIDI drivers. (wdmaud.drv)

There’s a lengthy thread that might be the same issue you’re encountering:

The most enlightening post, pointing out a solution in that thread is by Microsoft’s Pete Brown:

In a nutshell, if it’s indeed the same issue you’re having, it’s related to the ancient Windows MIDI Drivers hitting a maximum. But that can be increased with a little utility program (increase the MMCSS thread limitation), that Steinberg posted here:

Thank you so much for the swift and detailed reply!
I will give the MMCSS tool a shot and see if it helps my case

edit: I set the threads to 64 as suggested and will investigate

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Update: Unfortunately Cubase still freezes same way on 64 or 128 threads…

Cubase 13.0.50 64bit 2024.10.29 8.44.23.324-freezedump.dmp (983.4 KB)

The issue indeed seems to be the Windows MIDI driver. Have you already checked if it works with WinRT enabled? Although some users report problems with it as well, it might be worth a try.

Ok thanks for confirming once again it is a Midi driver issue.

The issue still exists with WinRT, which brings me to conclusion I have some faulty hardware crashing my driver I will investigate

Thanks again!

Hey just a quick update!

Seems like the issue was indeed caused by a faulty midi interface or usb clash.
now seems stable, thank you all for helping me get to the bottom of it fast…

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