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Many site issues can be caused by corrupt cookies or cache.

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• Delete cookies to remove the information websites have stored on your computer {web link}

• How to clear the Firefox cache {web link}

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A small dialog should appear. Click Start In Safe Mode (not Refresh). Did this help?

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Clearing cookies for the site worked.

Glad to help. Safe Surfing.

I am also getting the message

Bad Request

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

This happens AFTER I log in to my account, when I try to look at my account balance or make a payment - or even when I try to log out. Interestingly it does not happen if I want to check something that requires a new tab to be opened. That works ok.

All other sites are working correctly.

My bank says it is most like an incompatibility with the latest version of Firefox - and can only offer the option to uninstall and reinstall Firefox or use another browser. (I have a back-up browser which does function properly.) I am running Firefox 75.0 on Windows 7 Professional - I have some work programs that don't work with more recent Windows versions. The last time I was able to use my internet banking through Firefox was 7th April.

lionladysf

Please go to the top of any support.mozilla.org web page and use the Get Community Support link: https://support.mozilla.org/en-US/questions/new

Select the product for what the problem is (Firefox or whatever). Now select the category for the problem. At the bottom is Other.

Describe the problem in brief (one line). Then press <enter>. The website will display any prior posts that might help you. If nothing on the list can help, at the bottom press the button; None Of These Solve My Problem.

Now enter all the relative information on the problem. At the bottom of this, you can Add Images.

Under this is Troubleshooting Information. Please press the Share Data button. This will let us look at your system details. No Personal Information Is Collected.

I did that - and this was the only question that came anywhere near describing my problem - which is too complicated to put into a single sentence.

that's why I gave you my system details.

Please create a new question.

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