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Fix ERR_SSL_PROTOCOL_ERROR on Windows 10 - Resolve Permission Denied with Cloudflare Full Strict SSL-Windows Update Access Denied on Windows 10 Fix

Updated 2026-06-13 13:00:22developer-tools
Fix ERR_SSL_PROTOCOL_ERROR on Windows 10 - Resolve Permission Denied with Cloudflare Full Strict SSL-Windows Update Access Denied on Windows 10 Fix
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.