Guides tagged “browser errors”
Step-by-step MdmHost guides about browser errors, sorted A-Z.
11 guides
How to fix DNS_PROBE_FINISHED_NXDOMAIN
DNS_PROBE_FINISHED_NXDOMAIN means the domain name could not be found in DNS. Learn how to check if the domain is registered, expired or misconfigured, and fix it.
How to fix ERR_CONNECTION_REFUSED
ERR_CONNECTION_REFUSED means your browser reached the server address but nothing accepted the connection. Learn how to tell a local problem from a server one and fix it.
How to fix ERR_CONNECTION_RESET
ERR_CONNECTION_RESET means the connection was cut off mid-way. Find out how firewalls, proxies, MTU problems and server limits cause it, and the fixes for visitors and site owners.
How to fix ERR_CONNECTION_TIMED_OUT
ERR_CONNECTION_TIMED_OUT means your browser got no answer from the server at all. Learn how firewall blocks, wrong DNS, overloaded servers and local networks cause it.
How to fix ERR_EMPTY_RESPONSE
ERR_EMPTY_RESPONSE means the server closed the connection without sending any data. Learn the causes, from PHP crashes and security rules to local network issues, and how to fix it.
How to fix ERR_NAME_NOT_RESOLVED
ERR_NAME_NOT_RESOLVED means your browser could not turn the domain into an IP address. Learn how to fix it on your device and check the domain's DNS and registration.
How to fix ERR_SSL_PROTOCOL_ERROR
ERR_SSL_PROTOCOL_ERROR means the browser and server could not set up a secure connection. Learn the causes, from missing certificates to old TLS versions, and how to fix it.
How to fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH
ERR_SSL_VERSION_OR_CIPHER_MISMATCH means browser and server share no TLS version or cipher. Learn the causes, such as missing certificates, old TLS and new domains, and the fixes.
How to fix NET::ERR_CERT_AUTHORITY_INVALID
NET::ERR_CERT_AUTHORITY_INVALID means the browser does not trust whoever issued the certificate. Learn how self-signed certificates, missing chains and antivirus cause it.
How to fix NET::ERR_CERT_COMMON_NAME_INVALID
NET::ERR_CERT_COMMON_NAME_INVALID means the SSL certificate does not cover the domain you visited. Learn why it happens with www, subdomains and shared IPs, and how to fix it.
How to fix NET::ERR_CERT_DATE_INVALID
NET::ERR_CERT_DATE_INVALID means the certificate is expired or not yet valid, or your device clock is wrong. Learn how to tell which and fix it as a visitor or site owner.
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