The one giving me trouble is installed in a Samsung 32 bit netbook (which I still use because of its size, and never had problems). The versions installed in my 64 bit laptops work ok, although the launching of the program takes ages (it didn't use to happen some versions ago).
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See #287283: Version 3 will not open startcenter because OpenGL not supported, #281844: impossible to run version 3, error message reg. OpenGL 2.0 and #285174: MuseScore Crashes Immediately on Startup on Windows
Is this a 64bit or a 32bit version of MuseScore/Windows?
Maybe the opengl32sw.dll from https://musescore.org/en/node/285174#comment-906048 helps
In reply to Is this a 64bit or a 32bit… by Jojo-Schmitz
The one giving me trouble is installed in a Samsung 32 bit netbook (which I still use because of its size, and never had problems). The versions installed in my 64 bit laptops work ok, although the launching of the program takes ages (it didn't use to happen some versions ago).
So try that that dll I mentioned and linked to above