Update kubuntu 23.04 to 23.10. But now I get an error Firefox and Opera don´t work fine

[tecin21]

Update kubuntu 23.04 to 23.10. But now I get an error (it shows the pixelated screen and doesn't see anything) in both the Firefox and Opera browsers. I removed (remove purge firefox) and reinstalled but still with the same error. Any ideas. I clarify that Chrome works fine.

[Schwarzer Kater]

Welcome.

Firefox Snap, Flatpak or the "traditional" version from Mozilla.org?
Opera Snap, Flatpak or the .deb version from opera.com?

Did you try creating a new user and testing it there?

[tecin21]

Thank Schwarzer Kater, It didn't work with snap, I uninstalled and reinstalled the entire Kubuntu OS
Thank you for your contribution.