ERR_CT_STH_INCOMPLETE -169

Net error -169

BROWSER

Certificate Transparency: Received a signed tree head whose JSON parsing was OK but was missing some of the fields.

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_CT_STH_INCOMPLETE is a Browser error code reported by Google Chrome, Microsoft Edge and other Chromium browsers. Its official message is: “Certificate Transparency: Received a signed tree head whose JSON parsing was OK but was missing some of the fields.”

How to fix ERR_CT_STH_INCOMPLETE

  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_CT_STH_PARSING_FAILEDERR_CT_CONSISTENCY_PROOF_PARSING_FAILEDERR_UNABLE_TO_REUSE_CONNECTION_FOR_PROXY_AUTHERR_SSL_SERVER_CERT_BAD_FORMATERR_ICANN_NAME_COLLISIONERR_INCOMPLETE_CHUNKED_ENCODINGERR_QUIC_PROTOCOL_ERRORERR_CACHE_MISS

Source: Chromium net_error_list.h

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