This article describes how to troubleshoot problems you might encounter while using Facebook in Firefox.
In order to load games on Facebook like YoVille, FarmVille, Cafe, or Fishworld, you need to set the Flash plugin to allow saving information on your computer.
If you cannot connect to the Facebook website at all in Firefox:
The Facebook Help Center has a troubleshooting page that lists known Facebook website problems and bugs. If you see your specific problem listed on that page, Facebook is aware of it and is working on a fix. If your problem isn't listed, follow the troubleshooting steps below.
Clearing your stored cookies and the Firefox cache can solve several common problems with Facebook, such as Farmville issues.
If you receive an error message that mentions cookies after clearing your cookies and cache:
If the steps above did not fix your problem with Facebook:
Certain types of malicious software can cause problems with connecting to Facebook. See Troubleshoot Firefox issues caused by malware for instructions on troubleshooting malware problems with Firefox.
Facebook is known to make changes to their system regularly. Check Facebook Developer Blog for changes that have recently been made.