Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

This thread was archived. اگر به کمک نیاز دارید لطفاً یک سؤال بپرسید.

404 Not Found error was encountered while trying to use an ErrorDocument to handle the request

  • 2 پاسخ
  • 20 have this problem
  • 2 views
  • آخرین پاسخ توسّط marmalade33

marmalade33
marmalade33
more options

When I try to go to my website, I get a blank screen and this message:

Method Not Implemented

GET to / not supported.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

Can anyone help me fix this bug, please? Thanks!

When I try to go to my website, I get a blank screen and this message: Method Not Implemented GET to / not supported. Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request. Can anyone help me fix this bug, please? Thanks!

Chosen solution

This issue can be caused by corrupted cookies or cookies that are blocked (check the permissions on the about:permissions page).

Clear the cache and cookies only from websites that cause problems.

"Clear the Cache":

  • Firefox > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox > Preferences > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"

Please update to the current Firefox 30 release.

  • Firefox > About

The Firefox version that you currently run is no longer supported with security updates.

  • It is important to update Firefox and add-ons to the latest version to get all security fixes.

You can find the full version of the current Firefox 30.0 release in all languages and for all Operating Systems here:

Read this answer in context 👍 4

All Replies (2)

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

Chosen Solution

This issue can be caused by corrupted cookies or cookies that are blocked (check the permissions on the about:permissions page).

Clear the cache and cookies only from websites that cause problems.

"Clear the Cache":

  • Firefox > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox > Preferences > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"

Please update to the current Firefox 30 release.

  • Firefox > About

The Firefox version that you currently run is no longer supported with security updates.

  • It is important to update Firefox and add-ons to the latest version to get all security fixes.

You can find the full version of the current Firefox 30.0 release in all languages and for all Operating Systems here:

Modified by cor-el

marmalade33
marmalade33 Question owner
more options

I did as you said and it worked magic! I didn't even have to restart Mozilla. Thank you so much for your help! :-)