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I have been getting the following message on many, but not all pages, for the last few days. "Sorry, Bad Request. Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit." What's wrong?

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New Contributor

I have been getting the following message on many, but not all pages, for the last few days. "Sorry, Bad Request. Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit." What's wrong?

I get this message with Firefox but not IE. I tried re-installing Firefox but it still happens.

1 REPLY
Site Moderator

Re: I have been getting the following message on many, but not all pages, for the last few days. "Sorry, Bad Request. Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit." What's wrong?

That issue can be caused by corrupted cookies.

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"