Make sure other items you want to keep are not selected.
If you find that changes you make to your Firefox connection settings are not remembered when you restart Firefox, see How to fix preferences that won't save.įirefox supports IPv6 by default, which may cause connection problems on certain systems. Any changes you've made will automatically be saved.
In general, you should make sure your Internet security software is up-to-date and remove Firefox from your program's list of trusted or recognized programs, then add it back. Note: Some Internet security programs can block Internet access even when they are in a "disabled" state.