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

Wo archive tread sia. Meɖekuku bia biabia yeye ne ehia kpeɖeŋu.

Why am I getting a 400 error message when I try to log on to tumblr?

  • 2 ŋuɖoɖowo
  • 18 masɔmasɔ sia le wosi
  • 41 views
  • Nuɖoɖo mlɔetɔ cor-el

Leah7317
Leah7317
more options

I refreshed my tumblr page and got a 400 Bad Request message. I checked to see if I could log in on Microsoft Edge and I was able to but Edge does not have either the tumblr savior or xkit plugins that let me blacklist things I don't want to see on my dashboard available so I don't like using it. I already tried clearing the cache and cookies and all that accomplished was deleting all of the things I had blacklisted.

I refreshed my tumblr page and got a 400 Bad Request message. I checked to see if I could log in on Microsoft Edge and I was able to but Edge does not have either the tumblr savior or xkit plugins that let me blacklist things I don't want to see on my dashboard available so I don't like using it. I already tried clearing the cache and cookies and all that accomplished was deleting all of the things I had blacklisted.

Ŋuɖoɖo si wotia

This issue can be caused by corrupted cookies or cookies that are blocked.

  • check the permissions for the domain in the currently selected tab in "Tools -> Page Info -> Permissions"

Clear the cache and remove the cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Clear the cache:

  • Options/Preferences -> Privacy & Security -> Cached Web Content: "Clear Now"

"Remove the cookies" from websites that cause problems.

  • Options/Preferences -> Privacy & Security -> "Use custom settings for history" -> Cookies: "Show Cookies"

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window
Xle ŋuɖoɖo sia le goya me 👍 0

All Replies (2)

Zombieslayer57
Zombieslayer57
more options

Its because firefox now will only allow so many cookies from one website. firefox determined that it uses too many cookies, and didn't connect. There is no current way to fix this. I will keep you updated until this problem can be fixed. Hope this helps! -Zombieslayer57

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

Ɖɔɖɔɖo si wotia

This issue can be caused by corrupted cookies or cookies that are blocked.

  • check the permissions for the domain in the currently selected tab in "Tools -> Page Info -> Permissions"

Clear the cache and remove the cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Clear the cache:

  • Options/Preferences -> Privacy & Security -> Cached Web Content: "Clear Now"

"Remove the cookies" from websites that cause problems.

  • Options/Preferences -> Privacy & Security -> "Use custom settings for history" -> Cookies: "Show Cookies"

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window