Firefox Has recently stopped working for me after the recent update on my PC and my laptop. I can open it but it wont load any websites. It just keeps loading forever. Sometimes it works for a bit though. But when it gets stuck loading, if I close it I am unable to re-open it and get the following error message: "Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window" and it never opens. I went to task manager, but am unable to end the process as when I try to, nothing happens. Then I am unable to start Firefox again until I restart my computer. This is happening with 2 of my computers both running Norton Security Suite. Other Browsers are working fine. Please HELP I feel like I have tried everything but none of the troubleshooting tips have fixed it Things I have tried already: 1) Reinstalling Firefox 2) Refreshing Firefox 3) Removing Firefox from the list of trusted programs in Firewall and then adding it back again (This was through Norton as it is managing my Windows Firewall) 4) Creating a new profile and using that one instead 5) Starting Firefox in Safe Mode 6) Updating Norton I have read several troubleshooting guides and nothing seems to be working and I'm starting to get a bit frustrated. Any Help is appreciated. Thanks