pgAdmin Server Not Responding After Upgrade: Quick Fixes - Fix Windows Activation Token Expiry After Hardware Upgrade-Windows Search 502 Gateway Error Troubleshooting

Updated 2026-06-13 15:58:03developer-tools
pgAdmin Server Not Responding After Upgrade: Quick Fixes - Fix Windows Activation Token Expiry After Hardware Upgrade-Windows Search 502 Gateway Error Troubleshooting
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.