[Octave-bug-tracker] [bug #64194] plot(1:10) using qt causes Octave to stop working

[Markus Mützel]

Follow-up Comment #3, bug #64194 (project octave):

Ah. ISTR reading something like that before. But I don't remember where or if
there was a solution.

IIRC, MS updated the API of Windows which resulted in some functions being
moved to new "low-level" libraries. They might not have done that for Windows
7 (because it was no longer supported at that time - or something like that).
In theory, other libraries shouldn't link directly to those "low-level"
libraries. But mesa3d does. (The software OpenGL library that is used by
Octave for Windows is built from their sources.)

That means that the mesa3d OpenGL software renderer doesn't work on (all
installations of?) Windows 7.
(I'm not sure if I'm remembering all details correctly. But it might have been
something along those lines.)

It might also be that only 32-bit Windows is affected.

Maybe, you could try and install the latest versions of the C and C++
runtimes. They should be available from here:
https://support.microsoft.com/en-us/topic/update-for-universal-c-runtime-in-windows-c0514201-7fe6-95a3-b0a5-287930f3560c
https://learn.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-170



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