All fixes

Browser errors

How to fix "This site can't be reached"This site can't be reachedThis is Chrome's general message for when it cannot load a website at all.How to fix "This site can't provide a secure connection"This site can't provide a secure connectionChrome tried to make a secure HTTPS connection to the site but could not complete it, so it stopped.How to fix "Your connection is not private"

Your connection is not private. Attackers might be trying to steal your information from example.com (for example, passwords, messages, or credit cards).

Chrome could not confirm the website's security certificate, so it stopped before loading the page.How to fix DNS_PROBE_FINISHED_NXDOMAINThis site can't be reached. Check if there is a typo in example.com. DNS_PROBE_FINISHED_NXDOMAINChrome looked up the website's name and the DNS answer said the name does not exist (NXDOMAIN).How to fix ERR_ADDRESS_UNREACHABLEThis site can't be reached. example.com is unreachable. ERR_ADDRESS_UNREACHABLEYour device has no working route to the address you are trying to open.How to fix ERR_CACHE_MISS

Confirm Form Resubmission. This webpage requires data that you entered earlier in order to be properly displayed. ERR_CACHE_MISS

ERR_CACHE_MISS means the page you are trying to show was created from information you sent, such as a form, and Chrome does not have a saved copy it can reuse.How to fix ERR_CONNECTION_REFUSEDThis site can't be reached. example.com refused to connect. ERR_CONNECTION_REFUSEDYour browser reached the address, but nothing there accepted the connection, or something blocked it.How to fix ERR_CONNECTION_RESETThis site can't be reached. The connection was reset. ERR_CONNECTION_RESETYour browser started talking to the website, but something cut the connection off before the page arrived.How to fix ERR_CONNECTION_TIMED_OUTThis site can't be reached. example.com took too long to respond. ERR_CONNECTION_TIMED_OUTYour browser waited for the website to answer, but no reply came in time, so it gave up.How to fix ERR_HTTP2_PROTOCOL_ERROR

This site can't be reached. The webpage at https://example.com/ might be temporarily down or it may have moved permanently to a new web address. ERR_HTTP2_PROTOCOL_ERROR

Your browser and the website were using HTTP/2, a common way of sending web pages, and the site's reply broke the HTTP/2 rules, so the browser stopped.How to fix ERR_NAME_NOT_RESOLVEDThis site can't be reached. example.com's server IP address could not be found. ERR_NAME_NOT_RESOLVEDYour browser could not turn the website's name into an IP address, so it does not know where to connect.How to fix ERR_QUIC_PROTOCOL_ERROR

This site can't be reached. The webpage at https://example.com/ might be temporarily down or it may have moved permanently to a new web address. ERR_QUIC_PROTOCOL_ERROR

QUIC is a newer way for browsers to talk to websites, used for HTTP/3 and by many Google services.How to fix ERR_SSL_PROTOCOL_ERRORThis site can't provide a secure connection. example.com sent an invalid response. ERR_SSL_PROTOCOL_ERRORYour browser tried to open a secure (HTTPS) connection, but the secure handshake with the website failed.How to fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH

This site can't provide a secure connection. example.com uses an unsupported protocol. ERR_SSL_VERSION_OR_CIPHER_MISMATCH

Your browser and the website could not agree on a secure way to talk.How to fix ERR_TOO_MANY_REDIRECTSThis page isn't working. example.com redirected you too many times. Try deleting your cookies. ERR_TOO_MANY_REDIRECTSThe website keeps sending your browser from one address to another in a loop, so the page never loads.How to fix NET::ERR_CERT_AUTHORITY_INVALID

Your connection is not private. Attackers might be trying to steal your information from example.com (for example, passwords, messages, or credit cards). NET::ERR_CERT_AUTHORITY_INVALID

The website's security certificate was not issued by an authority your device trusts.How to fix STATUS_ACCESS_VIOLATIONAw, Snap! Something went wrong while displaying this webpage. Error code: STATUS_ACCESS_VIOLATIONThe browser tab crashed because a part of the browser tried to use memory it was not allowed to.

Website errors

How to fix "Error establishing a database connection" in WordPressError establishing a database connectionThis WordPress message means the site could not connect to the MySQL or MariaDB database that stores its posts, pages and settings, so it cannot build any page.How to fix "There has been a critical error on this website" in WordPressThere has been a critical error on this website.This WordPress message means a PHP fatal error stopped the site from loading, usually caused by a plugin, a theme or an incompatible PHP version.How to fix 400 Bad Request (and Request Header or Cookie Too Large)400 Bad RequestA 400 Bad Request means the website's server rejected what your browser sent because it looked invalid.How to fix 405 Method Not Allowed405 Method Not AllowedA 405 Method Not Allowed error means the server understood the type of request, such as loading a page (GET) or sending a form (POST), but that page does not accept that type.How to fix 503 Service Unavailable503 Service UnavailableA 503 Service Unavailable error means the website's server is temporarily unable to handle requests, usually because it is overloaded or down for maintenance.How to fix 504 Gateway Timeout504 Gateway TimeoutA 504 Gateway Timeout means a server in the middle, such as a proxy, load balancer or CDN, waited for the website's main server and gave up because no answer came in time.How to fix a 401 Unauthorized error401 UnauthorizedA 401 Unauthorized error means the page needs you to prove who you are, and the server did not get valid login details.How to fix HTTP error 500 (500 Internal Server Error)500 Internal Server ErrorA 500 Internal Server Error means the website's server ran into an unexpected problem and could not build the page.

Wi-Fi and internet

How to access your router settingsYour router has a built-in settings page (often called the admin page or web interface) where you can change the Wi-Fi name and password, restart the router and update its software.How to change your Wi-Fi passwordYour Wi-Fi password is stored on your router, so you change it from the router's app or its admin page, not from your phone or computer settings.How to fix "DNS server not responding"The DNS server isn't respondingDNS is the internet's address book: it turns names like example.com into the numeric addresses computers use.How to fix "Ethernet doesn't have a valid IP configuration"Ethernet doesn't have a valid IP configurationWindows Network Diagnostics shows this when your PC is plugged into the router by cable but did not get a working IP address from it.How to fix a weak Wi-Fi signalA weak Wi-Fi signal means your device is too far from the router or something between them is soaking up the signal.How to reset your router (restart or factory reset)"Resetting" a router can mean two very different things.Why does my Wi-Fi keep disconnecting?Wi-Fi that keeps dropping is usually caused by a weak signal at the edge of the router's range, a router or modem that needs a restart or update, or a device setting such as power saving that turns Wi-Fi off.Why is my internet not working?When the internet stops working, the problem is usually in one of three places: your provider's service, your modem or router, or the single device you are using.Why is my internet so slow?Slow internet can come from your internet plan or provider, your modem or router, weak Wi-Fi where you are sitting, or one device hogging the connection.Why is my upload speed so slow?Upload speed is how fast your devices send data out, such as video on calls, files to cloud storage, or a live stream.Wi-Fi connected but no internet: how to fix itNo internet, securedThis means your device has joined the Wi-Fi network and is talking to the router, but the router is not getting traffic through to the internet, or your device can't get a working address or DNS from it.