this bug is fixed by nvidia. please go to nvidia's web and download the 415.18
and: 1. remove all your nvidia's things like: driver, cuda...etc.. 2. add nouveau as blacklist 3. download the 415.18 driver from nvidia 4. mv nvidia-dirver-415* nv.run 5. chmod +x nv.run 6. reboot 7. telinit 3 8. bash nv.run 9. ignore the "pre-install script failed" warning select "continue install" 10. select to install the 32-bit libs 11. select to overwrite 12. select to let the driver automatic set xorg 13. finish install 14. reboot 15. if anything goes fine, will fix the "glX" error. 16. install other nvidia things like cuda. ** Changed in: steam (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784117 Title: Steam fails to start: glxChooseVisual failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/steam/+bug/1784117/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs