Ok, Thanks..that did it..my Nvidia driver was outdated.. 390.65, now 471.11. and it is going fine..[solved]Lukas

working in the web-browser meeting..Lukas

on webex 41.7.2.13  there is no video acceleration option no more??and I now can scramble my own video with deactivating the video mirroring..for now I only test my own picture.. mirroring my own one gives me a sounded picture..but I had the problems...