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Home / browser-issues / Fix Windows Defender Login Loop on Windows 10 - How to Fix Cloudflare Flexible SSL Redirect Loop-Windows Defender 502 Bad Gateway: Setup and Troubleshooting Guide

Fix Windows Defender Login Loop on Windows 10 - How to Fix Cloudflare Flexible SSL Redirect Loop-Windows Defender 502 Bad Gateway: Setup and Troubleshooting Guide

Updated 2026-06-16 13:49:14browser-issues
Fix Windows Defender Login Loop on Windows 10 - How to Fix Cloudflare Flexible SSL Redirect Loop-Windows Defender 502 Bad Gateway: Setup and Troubleshooting Guide
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.

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