Google Translate ------------------- Firefox stops google.dk and may provide other pages Firefox says the page is not secure and denies access to PC win 10 End ------------------------------------------------------------------------------------ There is security software like Avast/AVG, Kaspersky, BitDefender and ESET sometimes McAfee that intercept secure connections and send their own certificate or the scanner is a issue; see below URL. If you are running any of the above software please check their community forum for a work around to apply settings. *https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message#w_avast-and-avg-security-products These pages are also for the errors you may have besides relating to the above. *https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message Please try : SAFE MODE *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes In Firefox Safe mode these changes are effective: *all extensions are disabled (about:addons) *default theme is used (no persona) *userChrome.css and userContent.css are ignored (chrome folder) *default toolbar layout is used (file: localstore-safe.rdf) *Javascript JIT compilers are disabled (prefs: javascript.options.*jit) *hardware acceleration is disabled (Options > Advanced > General) *plugins are not affected *preferences are not affected TEST'''''''''is issue still there ?