Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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. Please ask a new question if you need help.

Sending message

  • 1 reply
  • 1 has this problem
  • 1 view
  • Last reply by philipp

hst1
hst1
more options

I get the following error when I try to send a message: Error Message: Invalid IdP URL (HTTP 404)

I get the following error when I try to send a message: Error Message: Invalid IdP URL (HTTP 404)

All Replies (1)

philipp
philipp
  • Moderator
more options

hello, please delete the cache & all cookies for the site and make sure that it has the permission to set new cookies in firefox.

How to clear the Firefox cache

Cookies - Information that websites store on your computer