Fix Microsoft Teams Login Loop on macOS - Windows Update 404 Error Troubleshooting Guide-Fix 504 Error in Microsoft Store Network Issue

Updated 2026-06-14 01:24:26developer-tools
Fix Microsoft Teams Login Loop on macOS - Windows Update 404 Error Troubleshooting Guide-Fix 504 Error in Microsoft Store Network Issue
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.