Choose "Restart with Add-ons Disabled Select "Start in Safe Mode" in a pop-up window after restarting Firefox.
Solution 3. Remove Incompatible Add-ons Sometimes incompatible add-ons are the reasons why Firefox will not open.
When you find that Firefox won't start after you installed an extension, theme, or plugin, you'd better remove it. Or it will lead to Firefox not opening problem. What's more, if Firefox is running properly in Safe Mode, a faulted extension, theme, or plugin is possibly the cause.
Click on Menu button. Activate "Add-ons Manager" tab by clicking on "Add-ons".
Choose the add-on you want to remove in "Extensions or Themes" panel. Click on "Remove" button and select "Restart now".
The most important Firefox command line options
- How to Use Mozilla Firefox in Safe Mode.
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- Why Firefox Not Opening? Proven Ways to Fix the Issue.
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- Launch or start Firefox in Safe Mode with Add-ons disabled.
Got it! Why Firefox Not Opening? Mozilla Crash Reporter - Error message will show when Firefox is shuts down unexpectedly. No profile can be loaded with a message, saying "Your Firefox profile cannot be loaded.
It may be missing or inaccessible". Failed to read the configuration file. This error often comes up after a software update. Other errors which are caused by extensions, themes or hardware acceleration, such as "XML Parsing Error: undefined entity Location", "Secure Connection Failed … uses an invalid security certificate".
How to Fix Firefox Problems on Mac
No error message is shown, but Firefox will not open. Solution 4. Uninstall your Mozilla Firefox. Install a proper version of Mozilla Firefox from Firefox website. Share Your Masterpiece on FonePaw. Featured Stories. May 20 , XS Max vs.
XR vs. This is especially useful to check whether the problem is associated with these elements or some other hidden issues. When we exit the Safe Mode, the browser reverts back to the Normal Mode with all the customizations intact. This option gets activated if we put a checkmark against any of the five options given in the dialog.
Customizing Firefox – Disabling Safe Mode | Mike's Musings
To exit Safe Mode, close down the browser completely. Sometimes, the browser keeps running in the background — do a Ctrl-Alt-Del to check using the Task Manager. If the browser keeps resuming in Safe Mode, close it down again and restart the computer. Then start in Normal Mode.
The first great thing about Firefox is that it is relatively non-buggy. The second good thing is that the Mozilla Firefox Safe Mode is absolutely straightforward. You might not have used the Safe Mode option frequently.
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