If you start Firefox with the -no-remote command line option, you can remove this option and then check whether you can open Firefox successfully. But this can be the cause of Firefox is already running but is not responding. You can use command line options to specify some startup options for Mozilla applications. Find the parent.lock file and delete it.įix 4: Remove the -no-remote Startup Option.Press Enter to open the profile folder.Input %APPDATA%\Mozilla\Firefox\Profiles\.To make everything back to normal, you need to go to the profile folder and then delete the parent.lock file in it. The abnormal shutdown of Firefox leaves the lock files in place. Read More Fix 3: Remove the profile Lock File It can also remove the temporary issues that may cause Firefox not responding, Firefox won’t close, or Firefox not opening. This can make your computer run under a clean environment and end all invisible Firefox processes. You can also directly restart your computer to solve the problem. Scroll down to find the Firefox process and end them one by one.Right-click the taskbar and select Task Manager.If the above action doesn’t work, you can open Task Manager to find these processes and force end them. If you see the following interface, you can click the Close Firefox button and then see whether you can re-open it as normal. These running processes are the causes of Firefox is already running. If Firefox was not shut down normally last time, some Firefox processes may be still running in the background. Initialize the connection to a file shareįix 1: End All Firefox Processes in Task Manager.End all Firefox processes in Task Manager.This is done to keep the browser from patching certain vulnerabilities, likely to keep the system vulnerable to attacks or exploits.What to Do If Firefox Is Already Running? You are probably asking yourself why a third-party would block Firefox from updating itself automatically.
FIREFOX NOT RESPONDING 2015 UPDATE
This happens in rare cases, and the best option then is to download the latest version of the web browser manually from Mozilla to update it manually and resolve any corruption issues. The browser or some of its files are corrupt which prevent automatic updates We suggest you use Malwarebytes Anti-Malware for this.ģ. Note: If you have not added the preferences to the user.js file, you may want to scan your system with advanced virus scanners to make sure that it is not infected. You may create a new profile alternatively which corrects the issue as well. If those are the only lines in the file, you may delete the entire file instead.
The easiest way to resolve the issue os the delete the four lines in the user.js file. If you find some or all of them listed in the user.js file, you have found the source for the automatic update failure. This means that you need to modify the preferences in the user.js file directly in regards to automatic updates. While you may change various settings in Firefox while it is running, those are reset to the values set in the user.js file on each restart of the browser. Settings in in are prioritized over settings in the browser. The file does not exist by default and needs to be created first before it can be used. Tip: the fastest way to open the profile folder is to type about:support and to click on "show folder" under application basics. This happens if specific instructions are added to the file user.js which you find in the Firefox profile folder.
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