

Privileged access to your Linux system as root or via the sudo command. Requirements, Conventions or Software Version Used How to fix “Firefox is already running but is not responding” error messageįixing an unresponsive Mozilla Firefox on Linux Software Requirements and Linux Command Line Conventions Category.If you’re experiencing this error often, it can be helpful to create a brand new profile and import your old settings.įollow along with our step by step guide below in order to fix this annoying error and get your web browser running smoothly again. Firefox stores a user’s personalizations and settings inside a “profile” that is accessed every time Firefox opens. On the other hand, the problem has been known to become perpetual in situations where there’s an issue with the profile file. It’s not uncommon to have an application freeze or “hang” every once in a while, so if this isn’t an issue that you repeatedly have with Firefox, you can probably simply kill the process and get back to what you were doing. To ask a question or find other support resources, see Get community support.In this guide, we’ll show you a few different methods for fixing the Firefox is already running but is not responding error message on a Linux system.įirst, let’s go over a few reasons for why this error may be occurring. We have a community of volunteers ready to help you figure it out. Sometimes tracking down the source of these kinds of problems is difficult. For other issues loading websites, see the Websites don't load - troubleshoot and fix error messages article.If Firefox is having problems loading certain websites, see Firefox can't load websites but other browsers can.If no programs can open websites, see the aptly named Firefox and other browsers can't load websites article.If you just upgraded Firefox and it can no longer open any websites but other browsers or programs can, see the Fix problems connecting to websites after updating Firefox article.Getting error messages when you try to load up a website? Here's a few articles to help fix specific connection problems.


Slowdowns can be caused by a number of things so we've summed them up in the Quick fixes if your Firefox slows down guide. The Firefox won't start - find solutions article should cover it. Consider using it before going through a lengthy troubleshooting process.Ĭheck out our handy guide, Avoid crashes - Tips and tricks. The Refresh Firefox feature can fix many issues by restoring Firefox to its default state while saving your essential information.
