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.

Avatar for Username

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

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

Unable to Sign in to Costco.com

  • 2 antwoorde
  • 1 het hierdie probleem
  • 1 view
  • Laaste antwoord deur compupix

compupix
compupix
more options

I am unable to sign into Costco.com using Firefox. I get an error message: 

    "Bad Request - Header Field Too Long
    HTTP Error 400. A request header field is too long."

Turning off all extensions didn't help. Opening a private browsing window DID work. Using Chrome DID work.

Thanks!

I am unable to sign into Costco.com using Firefox. I get an error message: "Bad Request - Header Field Too Long HTTP Error 400. A request header field is too long." Turning off all extensions didn't help. Opening a private browsing window DID work. Using Chrome DID work. Thanks!

Gekose oplossing

Try "Clear cookies and site data" from the padlock icon in the address bar.

Lees dié antwoord in konteks 👍 1

All Replies (2)

zeroknight
zeroknight
more options

Gekose oplossing

Try "Clear cookies and site data" from the padlock icon in the address bar.

compupix
compupix Vraag-eienaar
more options

That worked. What an easy way to clear cookies and site data for just this site! Thanks! :)