Do you have any idea how to fix this issue?
Fortunately, this post summarizes several methods that may help you solve this issue.
Just pay attention to the following content.
Step 1: Click thehorizontal linesicon at the top-right corner to kick off the main menu in Firefox.
Step 2: Navigate toHelp>TroubleshootMode.
Then clickRestartin the pop-up window.
Step 3: After that, clickOpento open your Firefox inTroubleshoot Mode.
To fix this error, you should remove them from your internet tool.
If the error exists in Troubleshoot Mode, you oughta continue with other solutions.
In this case, we recommend youdisable the antivirus temporarily.
Keep in mind that viruses or malware will attack your PC after you kill the antivirus programs.
So, its better to enable them as soon as you fix the error.
Step 1: PressWindows+Rto open theRundialog.
Step 2: Typeregeditin the text box and then pressEnter.
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox
Step 4: After that, right-click theFirefoxfolder and selectDeleteto delete it from your PC.
Step 5: Launch Firefox to see if the issue is resolved.
Do you know how to back up individual Registry keys Windows 10?
Now, this post will show you a step-by-step guidance to do this job.
To do this, you could follow the steps below.
Step 1: OpenFile Explorerby pressing theWindowsandEkeys.
Step 2: After you enterFile Explorer, navigate to the directory:C:\Program Files\Mozilla Firefox.
Step 3: Open thedistributionfolder in theMozilla Firefoxfolder.
Then right-click thePolicies.JSONfile inside it and selectDeleteto delete this file.
Alternatively, you’re free to simply right-click thedistributionfolder and select Delete to delete the whole folder.
Step 4: Once done, relaunch Firefox to test whether the issue is fixed.
To solve it, we recommend you uninstall Firefox and then reinstall it.
If so, we highly recommend MiniTool Partition Wizard to you.
Its a comprehensive and reliable partition managing program.
To get more information on this program, you’ve got the option to visitits official website.
