Firefox has a mode for troubleshooting purposes, and that mode is “safe mode.”
You can launch the Firefox web browser in safe mode in five different ways. Here are they:
Method #1
Open the Firefox web browser.
Click on the Hamburger icon (three vertical lines) at the top. Hit on Help > Restart with Add-ons Disabled.
In the popup, hit the “Restart” button.
Now, in the “Firefox Safe Mode” popup, you can see two buttons – “Start in Safe Mode” and “Refresh Firefox.” Hit the “Start in Safe Mode” button.
That’s it. All done.
Note: Keep in mind that if you’ve any other already opened Firefox windows while doing the above steps, then those windows too will get launched in safe mode.
Before trying the below methods, make sure no other Firefox windows are already opened. Otherwise, the following ways will not open Firefox in safe mode, and they’ll open normal Firefox windows.
Method #2
Press the “Shift” key and double-click on the Firefox shortcut.
Now, you can see the popup. Click on the “Start in Safe Mode” button.
Method #3
Right-click on the Firefox shortcut (I suggest to change the shortcut name to “Firefox safe mode”) and select “Properties.”
In the “Target” field, append the following:
-safe-mode
Click on the “OK” button. In the popup, click on the “Continue” button.
That’s all. From now on, when you open the shortcut, you’ll see “Firefox Safe Mode” popup. Click on the “Start in Safe Mode” button to launch Firefox in safe mode.
Method #4
Open Run Command (Press Windows key + R).
Type “firefox -safe-mode” (without double quotes) and then press the “Enter” key.
That’s it. Now, you can see the “Start in Safe Mode” button in the “Firefox Safe Mode” popup. Hit it.
Note: You can apply the same command in Address Toolbar, File Explorer Address Bar and Task Manager (In the Task Manager, hit File > Run new task).
Method #5
Open Command Prompt (Open Run Command, type cmd, and then hit “Enter” key).
Type “start firefox -safe-mode” (without double quotes) and then press the “Enter” key.
That’s all. Now, you can see “Firefox Safe Mode” popup. Click on the “Start in Safe Mode” button.
Note: Close the safe mode windows to get out of safe mode.
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