Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode - How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error-Fix Nginx Permission Denied on Socket File

Updated 2026-07-28 10:44:58windows-fixes
Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode - How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error-Fix Nginx Permission Denied on Socket File
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.