Fix Firefox browser errors in Safe Mode

Just like Safe Mode on Windows operating system, Safe Mode in Firefox browser can help you disable add-ons, learn and fix web browser errors and problems.

How to start Firefox in Safe Mode

1. Method 1

Note:

This only applies to Firefox on Windows operating systems.

First you close all Firefox browser windows.

Next, open the Run dialog window, then enter the command line: firefox.exe -safe-mode and press Enter and wait for a few minutes.

Fix Firefox browser errors in Safe Mode Picture 1

At this point on the screen you will see a dialog box showing you whether you want to start Firefox in Safe Mode?

Click Start in Safe Mode on the dialog box to start Firefox in Safe Mode.

Fix Firefox browser errors in Safe Mode Picture 2

2. Way 2

Applies to Firefox on all Windows, Mac OS X, Linux .

First open Firefox on your computer then click on the Menu button (3 line dash icon).

On the Firefox Menu, select Help or the dot question mark icon.

On Menu Help, select Restart with Add-ons Disabled .

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Now the screen will display a dialog box asking if you want to start Firefox in Safe Mode?

Click Start in Safe Mode on the dialog box to start Firefox in Safe Mode.

When Firefox is in Safe Mode you can disable add-ons or find and fix browser-related errors and problems.

Once done, you can close Firefox and restart. Firefox will automatically reboot in normal mode.

Refer to some of the following articles:

1. 4 tricks "About: Config" improves Firefox browser

2. How to block ads when surfing the web

3. What to do when Firefox crashes?

Good luck!