This article describes how to troubleshoot problems you might encounter while using Facebook in Firefox.

Cannot load games

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.

1. Right-clickHold down the control key while you click on any Flash content and select Global Settings.... The Flash Player Settings Manager window will open.
2. Select the Storage tab.
3. Click Local storage settings by site. The Local Storage Settings by Site window will open.
4. Select www.facebook.com in the list and below When the selected site wants to use local storage:, select an entry different from Block.
5. Click Close.
6. Dismiss the Flash Player Settings Manager window.

Facebook chat is slow

If Facebook chat appears to be very slow and unresponsive, upgrade Firefox.

Cannot connect to Facebook

If you cannot connect to the Facebook website at all in Firefox:

• Check to see whether you can connect in another browser (such as Internet ExplorerSafariEpiphany).
  • If you can connect in another browser, but not in Firefox:
    1. Follow the troubleshooting steps below, starting with the Clear cookies and cache section
    2. Check to make sure your Internet security software (such as a firewall, antivirus, or anti-spyware program) is set to allow Firefox. For instructions on configuring specific firewall programs, see Configure firewalls so that Firefox can access the Internet.
• If you cannot connect in any browser, the Facebook site may be down.

Other Facebook problems

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.

Clear cookies and cache

Clearing your stored cookies and the Firefox cache can solve several common problems with Facebook, such as Farmville issues.

1. Click the menu button to open the menu panel.
2. Click History and select Clear Recent History…
3. In the Time Range to clear: drop-down, select Everything.
4. Below the drop-down menu, select both Cookies and Cache. Make sure other items you want to keep are not selected.
5. Click OKClear Now.

Check cookie settings

If you receive an error message that mentions cookies after clearing your cookies and cache:

1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button and select Settings.
2. Select the Privacy panel.
3. Set Firefox will: to Use custom settings for history.
4. Make sure Accept cookies from sites is check marked.
5. Make sure Accept third party cookies is check marked.
6. Click Exceptions....
7. Make sure facebook.com is not listed.
   • If it is listed, click on its entry, then click Remove Site.

Check JavaScript settings

Facebook errors can be caused by problems with JavaScript settings and preferences for interactive web pages. JavaScript is enabled by default in Firefox, but to check its status:

1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button and select Settings.
2. Click to select the Content panel.
3. Make sure that Enable JavaScript is checked.
4. Close the Settings page. Any changes you've made will automatically be saved.

You should also check whether you have an extension (such as NoScript) or Internet security program (such as a firewall, antivirus, or anti-spyware program) that can block JavaScript.

Check extensions, themes, and plugins

If the steps above did not fix your problem with Facebook:

1. Determine whether an extension or theme is causing your problem. See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems for instructions.
2. Determine whether a plugin is causing your problem. See Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems for instructions.

Check for malware

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.

Changes to Facebook

Facebook is known to make changes to their system regularly. Check Facebook Developer Blog for changes that have recently been made.