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Unable to connect Firefox can’t establish a connection to the server at pdf.wondershare.com.

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Arthur Bogdanove
Arthur Bogdanove

How do I fix this? Hmmm Unable to connect

Firefox can’t establish a connection to the server at (various websites that I click the links to get to).

How do I fix this? Hmmm Unable to connect Firefox can’t establish a connection to the server at (various websites that I click the links to get to).

All Replies (1)

FredMcD
FredMcD

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.

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

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

What do the security warning codes mean