Output of terminal when launch:
Warning: QT_DEVICE_PIXEL_RATIO is deprecated. Instead use:
QT_AUTO_SCREEN_SCALE_FACTOR to enable platform plugin controlled per-screen factors.
QT_SCREEN_SCALE_FACTORS to set per-screen factors.
QT_SCALE_FACTOR to set the application global scale factor.
/tmp/.mount_VirtSc0pM48m/usr/share/virtscreen/env/bin/python3: relocation error: /tmp/.mount_VirtSc0pM48m/usr/share/virtscreen/env/lib/python3.6/site-packages/PyQt5/Qt/plugins/platforms/../../lib/libQt5XcbQpa.so.5: symbol _ZN20QPlatformIntegration11screenAddedEP15QPlatformScreenb version Qt_5_PRIVATE_API not defined in file libQt5Gui.so.5 with link time reference
Output of terminal when launch: Warning: QT_DEVICE_PIXEL_RATIO is deprecated. Instead use: QT_AUTO_SCREEN_SCALE_FACTOR to enable platform plugin controlled per-screen factors. QT_SCREEN_SCALE_FACTORS to set per-screen factors. QT_SCALE_FACTOR to set the application global scale factor. /tmp/.mount_VirtSc0pM48m/usr/share/virtscreen/env/bin/python3: relocation error: /tmp/.mount_VirtSc0pM48m/usr/share/virtscreen/env/lib/python3.6/site-packages/PyQt5/Qt/plugins/platforms/../../lib/libQt5XcbQpa.so.5: symbol _ZN20QPlatformIntegration11screenAddedEP15QPlatformScreenb version Qt_5_PRIVATE_API not defined in file libQt5Gui.so.5 with link time reference
App never Appears.