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!

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

I can not sign in on some web sites

  • 1 reply
  • 1 has this problem
  • 3 views
  • Last reply by knorretje

more options

I cannot sign in on some web sites that work perfectly well in IE can you help please, as far as i can see firefox is not being blocked by my firewall, I am using windows XP with all updates.

I cannot sign in on some web sites that work perfectly well in IE can you help please, as far as i can see firefox is not being blocked by my firewall, I am using windows XP with all updates.

All Replies (1)

more options

This happens a lot when cookies are not enabled.
Did you try some advice from this page?
https://support.mozilla.com/en-US/kb/Cannot%20log%20in%20to%20websites