SUMMARY STEPS TO REPRODUCE 1. 2. 3. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: win10 64 macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
This can happen when your Windows system has a broken Direct3D installation. We're trying to work out a workaround, but you should fix your system. *** This bug has been marked as a duplicate of bug 408872 ***