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Firefox will not connect.

michaelgoodw
michaelgoodw
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I get a network protocol violation message and all the other websites cannot be found. My iPad and iPhone WiFi work fine but my desktop WiFi does not. I have done all the usual, restarted the network, computer and Firefox, cleared all the caches and done malware and other sweeps of my computer, tried adjusting the program proxy, what else can I try?

I get a network protocol violation message and all the other websites cannot be found. My iPad and iPhone WiFi work fine but my desktop WiFi does not. I have done all the usual, restarted the network, computer and Firefox, cleared all the caches and done malware and other sweeps of my computer, tried adjusting the program proxy, what else can I try?

Chosen solution

Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

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All Replies (3)

FredMcD
FredMcD
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Seçilmiş Həll

Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

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

michaelgoodw
michaelgoodw Question owner
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Thanks very much, too many software solutions competing with each other, at least I seem to have no virus problems.