Fix Microsoft Store Error 0x80073cf3 After Update - Windows Activation Server Connection Error Fix-Fix Windows Terminal 502 Bad Gateway on Azure Connection

Updated 2026-06-17 20:59:19browser-issues
Fix Microsoft Store Error 0x80073cf3 After Update - Windows Activation Server Connection Error Fix-Fix Windows Terminal 502 Bad Gateway on Azure Connection
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.