Chrome displays “Your connection is not private” with net::ERR_CERT_AUTHORITY_INVALID when it cannot verify the website’s SSL/TLS certificate. The error typically indicates an untrusted certificate or broken certificate chain.
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Chrome shows ERR_NAME_NOT_RESOLVED when DNS cannot translate a website’s domain name into the server’s numeric IP address.
Chrome shows ERR_NETWORK_CHANGED when your network connection changes while a page request is still in progress. This exact Chromium error code is not used by other major browsers.
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Chrome can show ERR_QUIC_PROTOCOL_ERROR while other browsers load the same page normally. Learn what causes the error and how to troubleshoot the connection.
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Chrome’s net::err_internet_disconnected error means the browser has lost network access. Learn why pages fail to load and how to restore your internet connection.
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Chrome shows ERR_TUNNEL_CONNECTION_FAILED when it cannot establish a usable connection through a proxy server. Learn what causes the error and how to fix network and proxy settings when pages won’t load.
Chrome displays NET::ERR_CERT_COMMON_NAME_INVALID when a website’s SSL certificate name doesn’t match its address. Learn what causes the error and how to fix certificate mismatches, which often originate on the server.
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