Inside a familiar web page I am no longer able get to a specific page. If I go to a public PC, I can get it but no longer with FireFox on my PC. How Do I fix?
Page I formerly got now just shows a blank. With Internet Explorer, it shows,
"Content was blocked because it was not signed by a valid security certificate". Don't know what that means nor how to fix it.
Выбранное решение
Did you try to access the page via an open HTTP connection in case the website isn't meant to be accessed via a secure HTTPS connection?
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Please provide public link(s) (no password) that we can check out. No Personal Information Please !
There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.
https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites
https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message
https://support.mozilla.org/en-US/kb/connection-untrusted-error-message
Выбранное решение
Did you try to access the page via an open HTTP connection in case the website isn't meant to be accessed via a secure HTTPS connection?