Ubuntu Desktop crashed

[Luis]

For about a month now, the Ubuntu desktop environment has been crashing on a regular basis. The system doesn't crash, just the desktop environment. You just have to log in again, and all the programs are closed. The last problem happened today was 5:11 p.m.

lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04 LTS
Release: 24.04

apt-cache policy ubuntu-gnome-desktop
ubuntu-gnome-desktop:
  Installiert: (keine)
  Installationskandidat: 0.99
  Versionstabelle:
     0.99 500
        500 http://de.archive.ubuntu.com/ubuntu noble/universe amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: ubuntu-gnome-desktop (not installed)
ProcVersionSignature: Ubuntu 6.8.0-35.35-generic 6.8.4
Uname: Linux 6.8.0-35-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Jun 30 17:16:29 2024
InstallationDate: Installed on 2023-06-09 (387 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223)
ProcEnviron:
 LANG=de_DE.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
SourcePackage: ubuntu-gnome-meta
UpgradeStatus: Upgraded to noble on 2024-05-25 (36 days ago)