Try one of these articles:
- Websites say cookies are blocked - Unblock them This article describes how to troubleshoot problems that involve websites reporting that cookies are blocked or disabled.
- Disable third-party cookies in Firefox to stop some types of tracking by advertisers Some advertisers use third-party cookies to track your visits to the various websites on which they advertise. Learn how to disable them.
- Forget button - quickly delete your browsing history on Firefox Make Firefox "Forget" your recent browsing history while leaving the rest alone. All it takes is a few clicks.