nRF connect for desktop BLE & DTM apps opens with a blank window

Question

Hi, 
 
 Like many posts before I'm facing blank white screen when trying to run nRFCOnnect for desktop (3.4.1) BLE app (2.4.0) 
 Tried to: 
 
 Restart PC 
 Uninstall-reinstall 3.4.1 
 Uninstall-reinstall 3.4.0 
 Uninstall-install latest nrf command line tools-reinstall ( link ) 
 Use nRF52840 (PCA10056) dongle 
 Use nRF52832 (PCA10031) dongle 
 Use another fresh nRF52840 dongle 
 
 all to no avail.... 
 Same blank screen occurs on all other NRFConnect's apps: DTM, RSSI viewer, Programmer but NOT with the toolchain manager... implying it stems from (probably) the same root cause (jlink driver? graphic library?) 
 Any advise ?

fanoush · Answer

what worked for me without downgrading libstdc++ is forcing/preloading system version via LD_PRELOAD, this appears to solve conflict with possible older version included inside the AppImage(?), I needed to run it from terminal like this: 
 LD_PRELOAD=/lib/x86_64-linux-gnu/libstdc++.so.6 ~/opt/nrfconnect-bluetooth-low-energy/nrfconnect-bluetooth-low-energy-4.0.4-x86_64.AppImage

Kenneth · Answer

Make sure that you are not using any terminal window/tools that are accessing or claiming the COM ports on the PC. I have seen that cause the windows to hang (white screen). You can try to press ctrl+R to refresh the white screen. 
 You may try to uninstall segger j-link tools and nrf command line tools also, before installing nrf connect for desktop again. You can also try to install the latest nrf command line tools (that also bundles segger j-link) to see if that helps.

Jakob · Answer

I was able to reproduce the issue on a second system. It worked until i performed an apt upgrade. So it must be related to any of the packages listed below 
 I downgraded libstdc++6 to an older version and my application works again

nRF connect for desktop BLE & DTM apps opens with a blank window

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