Google ChromeTroubleshooting guide
Troubleshoot Chrome ERR_NAME_NOT_RESOLVED
The site cannot be reached
Checked 2026.09.05Read guide ↗
SYMPTOM GUIDE
Browser connection, DNS and certificate errors
Find Chrome and Firefox connection error guides. Check other sites, the network, system time and certificate details to identify why a page cannot open.
Choose the right starting point
- Record the error and affected site.
- Compare another site and another browser.
- Avoid entering credentials on pages with unresolved certificate warnings.
Guides for this symptom 8
General troubleshooting guides are distinct from reports of a known issue affecting a specific version. Check the conditions in each article.
Google ChromeTroubleshooting guide
Troubleshoot Chrome ERR_CONNECTION_RESET
The connection resets while loading
Checked 2026.09.05Read guide ↗
Google ChromeTroubleshooting guide
Safely troubleshoot Chrome NET::ERR_CERT_DATE_INVALID
Chrome says the connection is not private
Checked 2026.09.05Read guide ↗
Mozilla FirefoxTroubleshooting guide
Firefox: Troubleshoot SEC_ERROR_UNKNOWN_ISSUER Safely
A certificate issuer is unknown
Checked 2026.09.05Read guide ↗
Google ChromeTroubleshooting guide
Chrome ERR_TOO_MANY_REDIRECTS: check cookies for the affected site
Chrome reports too many redirects
Checked 2026.09.12Read guide ↗
Mozilla FirefoxTroubleshooting guide
Firefox Server Not Found: compare browsers and check proxy settings
Firefox displays Server Not Found
Checked 2026.09.12Read guide ↗
WSL 2Troubleshooting guide
WSL alone cannot resolve names while a VPN is connected
WSL alone cannot resolve names while a VPN is connected.
Checked 2026.09.05Read guide ↗
Windows 11 Date and TimeTroubleshooting guide
The Windows 11 clock or time zone is wrong and cannot synchronize
The clock is off by minutes or hours
Checked 2026.09.05Read guide ↗