Login loop with data loss.

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Session logs out after approximately an hour of use. Login loop with data loss.
Problem after a few  attempts to install update:
libglapi-amber
libllvm20
lightdm
linux-headers-6.8.0-79-generic
linux-image-6.8.0-79-generic
linux-image-6.8.0-83-generic 

===========
Graphics:
  Device-1: Intel Mobile 945GM/GMS 943/940GML Express Integrated Graphics
  vendor: Hewlett-Packard driver: i915 v: kernel bus ID: 00:02.0
  Display: x11 server: X.Org 21.1.11 driver: intel
  unloaded: fbdev,modesetting,vesa resolution: 1280x800~60Hz
  OpenGL: renderer: llvmpipe (LLVM 20.1.2 128 bits)
  v: 4.5 Mesa 25.0.7-0ubuntu0.24.04.2 direct render: Yes