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Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

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hmlsz
hmlsz
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Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

I am getting this msg when I try to open a sub menu on my bank account.

Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit. I am getting this msg when I try to open a sub menu on my bank account.

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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