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+Fix:
+```
+QCoreApplication::setAttribute(Qt::AA_UseOpenGLES);
+```
+or
+```
+QCoreApplication::setAttribute(Qt::AA_UseSoftwareOpenGL);
+```
+The first option uses OpenGl2DirecX angle library (like Google Chrome)
+
+The second one uses OpenGL emulation by software... for small programs work very good and is 100% compatible with old OS like Windows XP.
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