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

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  • Last reply by FredMcD

Arthur Bogdanove
Arthur Bogdanove
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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
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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