Guides
Chrome
Guides
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How to flush your DNS cache
Make your computer forget old DNS answers after a site move or record change. Commands for Windows, macOS, Linux and every major browser.
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How to fix ERR_SSL_PROTOCOL_ERROR
The browser and server could not agree on a secure connection at all. Usually HTTPS is not set up on that port, or the…
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How to fix ERR_CONNECTION_REFUSED
The server answered, but nothing was listening on that port. Usually the web server is stopped, listening elsewhere, or a firewall rejects you.
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How to fix ERR_TOO_MANY_REDIRECTS
Two rules are sending visitors back and forth forever. Usually HTTP and HTTPS, or www and non-www, set differently in two places.
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How to fix “Your connection is not private”
The browser does not trust the site’s certificate. What each NET::ERR_CERT code means, and how to fix it on either side.
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How to fix DNS_PROBE_FINISHED_NXDOMAIN
The browser asked DNS for the site’s address and was told the name does not exist. Check the spelling, your own DNS, then the…