Okay, I've made significant progress. With the reset I was able to remove the traces from the extensions. I will resend the new "shellsettings22.txt".
I add that I found on the internet something similar to the problem I have: https://github.com/micheleg/dash-to-dock/issues/298 The difference is that my problem persists in different programs (firefox, evince)... ** Bug watch added: github.com/micheleg/dash-to-dock/issues #298 https://github.com/micheleg/dash-to-dock/issues/298 ** Attachment added: "shellsettings22.txt" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1905186/+attachment/5437356/+files/shellsettings22.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1905186 Title: dock and top bar flashing non-stop at fullscreen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1905186/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs