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Fix Windows Security App Error 0x80070424 - Fix Cloudflare Wildcard Subdomain Issues After SSL Change-How to Resolve Nginx Duplicate Listen Error

Updated 2026-07-28 03:28:24developer-tools
Fix Windows Security App Error 0x80070424 - Fix Cloudflare Wildcard Subdomain Issues After SSL Change-How to Resolve Nginx Duplicate Listen Error
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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