This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

started getting 400 bad request when going to yahoo news= no problem with IE

  • 2 odgovori
  • 33 ima ovaj problem
  • 69 views
  • Posljednji odgovor poslao perrin1021

more options

Sorry, Bad Request. Your browser sent a request that this server could not understand.

Size of a request header field exceeds server limit. This problem started this am, updated to 9.0 problem still there. I do not usually use IE but it does not have the problem.

Not found any other site has this problem

Sorry, Bad Request. Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit. This problem started this am, updated to 9.0 problem still there. I do not usually use IE but it does not have the problem. Not found any other site has this problem

Izabrano rješenje

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"
Pročitajte ovaj odgovor sa objašnjenjem 👍 10

All Replies (2)

more options

Odabrano rješenje

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"
more options

This solved the problem. All cookies associated with Yahoo were deleted.

Thanks