Fix Error Message ‘Firefox is running but not responding

How to Fix Error Message ‘Firefox is running but not responding’?

Sometimes, when you open or run your Firefox web browser, a message will pop up on your screen says; Firefox is already running but is still not responding, or the old Firefox process must be closed to open a new window. Don’t worry; these are a common error message which can be fixed easily. Here Read more about How to Fix Error Message ‘Firefox is running but not responding’?[…]