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Chrome ERR_CERT_AUTHORITY_INVALID

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Overview

Chrome ERR_CERT_AUTHORITY_INVALID means the website SSL certificate was issued by an untrusted certificate authority.

Key Details

  • Certificate not signed by a trusted root CA
  • Chrome shows "Your connection is not private"
  • NET::ERR_CERT_AUTHORITY_INVALID warning page
  • Proceeding may expose your data to interception

Common Causes

  • Self-signed SSL certificate on the server
  • Certificate authority not in Chrome trust store
  • Corporate proxy intercepting HTTPS with its own cert
  • Let's Encrypt certificate chain incomplete

Steps

  1. 1Check if the certificate is from a recognized CA
  2. 2For corporate networks: import company root certificate
  3. 3Contact website owner about certificate issue
  4. 4Do NOT bypass warning for banking or sensitive sites

Tags

browserchromechrome err cert authority invalidfixtroubleshooting

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Informational

Frequently Asked Questions

The warning means the certificate cannot be verified — proceed only if you trust the site.