We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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.

Rohkem teavet

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

  • 2 vastust
  • 33 on selline probleem
  • 2 views
  • Viimati vastas 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

Valitud lahendus

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"
Loe vastust kontekstis 👍 10

All Replies (2)

more options

Valitud lahendus

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