Chrome users face 'ERR_PROXY_CONNECTION_FAILED' error when accessing websites. Error occurs due to network issues, conflicting extensions, or misconfigured settings
Users report browsers stopping working after Windows updates. Multiple browsers fail to respond when typing online. Problem persists despite multiple PC reboots
ERR_CONNECTION_RESET occurs when browser can't connect to website server. Error appears in all browsers and devices. Different browsers display different error messages
Browser cannot confirm website safety before loading. Error prevents visiting sites without antivirus protection. Digital certificates verify site legitimacy and protect personal data
ERR_CONNECTION_REFUSED indicates browser can't connect to website server. Error message appears differently in different browsers
NET::ERR_CERT_AUTHORITY_INVALID is a browser warning about certificate validity issues. Error doesn't indicate site risk but indicates potential security problems. Common variations include NET::ERR_CERT_TRANSPARENCY_REQUIRED and NET::ERR_CERT_DATE_INVALID