Remote Desktop Not Working After Update: Fix Guide - How to Fix APT Lock Permission Denied in Ubuntu-Chrome DNS_PROBE_FINISHED_NXDOMAIN After Network Switch

Updated 2026-06-13 21:54:49developer-tools
Remote Desktop Not Working After Update: Fix Guide - How to Fix APT Lock Permission Denied in Ubuntu-Chrome DNS_PROBE_FINISHED_NXDOMAIN After Network Switch
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.