ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN -150

Net error -150

BROWSER

The certificate didn't match the built-in public key pins for the host name.

Browser error page with a network error code and a checklist of likely causes
Browser network errors: rule out your connection first, then the site.

What it means

ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN is a Browser error code reported by Google Chrome, Microsoft Edge and other Chromium browsers. Its official message is: “The certificate didn't match the built-in public key pins for the host name.”

How to fix ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN

  1. Reload the page once — single transient failures heal themselves immediately
  2. Flush DNS: 'ipconfig /flushdns' on Windows, 'dscacheutil -flushcache' on macOS
  3. Disable VPN, proxy settings and your antivirus web shield, then retry
  4. Test the same page from mobile data or another device to isolate YOUR setup from the site
  5. Bypass performance extensions: open a private window, disable ad-blockers and retry

Related errors

ERR_SSL_VERSION_OR_CIPHER_MISMATCHERR_SSL_PROTOCOL_ERRORERR_SSL_BAD_PEER_PUBLIC_KEYERR_SSL_HANDSHAKE_NOT_COMPLETEDERR_CLIENT_AUTH_CERT_TYPE_UNSUPPORTEDERR_ADDRESS_IN_USEERR_SSL_DECRYPT_ERROR_ALERT

Source: Chromium net_error_list.h

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