install kubuntu 23-04 crashes

[PINELLI]

kubuntu@kubuntu:~$ ubuntu-bug ubiquity
kubuntu@kubuntu:~$
(firefox:51264): Gtk-WARNING **: 18:55:02.013: Theme parsing error: gtk.css:1:21: Failed to import: Error opening file /home/kubuntu/snap/firefox/2517/.config/gtk-3.0/colors.css: No such file or directory
Gtk-Message: 18:55:02.052: Failed to load module "colorreload-gtk-module"
Gtk-Message: 18:55:02.053: Failed to load module "window-decorations-gtk-module"
[Parent 51264, Main Thread] WARNING: Failed to mkdir /home/kubuntu/snap/firefox/2517/.config/ibus/bus: Not a directory: 'glib warning', file /build/firefox/parts/firefox/build/toolkit/xre/nsSigHandlers.cpp:167

(firefox:51264): IBUS-WARNING **: 18:55:02.757: Failed to mkdir /home/kubuntu/snap/firefox/2517/.config/ibus/bus: Not a directory
[GFX1-]: glxtest: VA-API test failed: no supported VAAPI profile found.
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
ALSA lib conf.c:4553:(snd_config_update_r) Cannot access file /usr/share/alsa/alsa.conf
ALSA lib seq.c:935:(snd_seq_open_noupdate) Unknown SEQ default

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: ubiquity 23.04.8
ProcVersionSignature: Ubuntu 6.2.0-20.20-generic 6.2.6
Uname: Linux 6.2.0-20-generic x86_64
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CasperVersion: 1.480
CurrentDesktop: KDE
Date: Wed Aug 9 18:54:46 2023
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 23.04 "Lunar Lobster" - Release amd64 (20230414.1)
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)