+3 votes
91 views
in Tips & Tricks by (242k points)
reopened
Firefox does not start - what to do?

1 Answer

+4 votes
by (1.6m points)
 
Best answer

Close Firefox via the task manager and restart
1st step:
2nd step:
3rd step:
4th step:
Clean up Firefox
1st step:
2nd step:
Restart the PC
Uninstall and reinstall Firefox
1st step:
2nd step:
3rd step:
4th step:
Quick guide: Close Firefox via the task manager
Quick guide: Reinstall Firefox

Firefox just won't open for you? No reason to worry! We have some solutions to your problem..

image image

Mozilla Firefox is one of the most popular web browsers in the world. And rightly so, because it is stable and reliable. If you should have problems with the browser because nothing happens when you click on the program icon, then there is no reason to despair. We'll tell you what you can do to get Firefox working again.

Close Firefox via the task manager and restart

It can happen that Firefox is already running invisibly in the background. In that case you can simply close Firefox via the task manager and restart it. Follow our step-by-step instructions or take a look at the brief instructions .

1st step:

image
Open the Task Manager with the key combination [Ctrl] + [Shift] + [Esc] .

2nd step:

image
In the " Processes " tab, look for Firefox . Select the browser by clicking on it and then click on the " End task " button .

3rd step:

image
Now click on " File " at the top and then on " Run new task ".

4th step:

image
Enter firefox.exe in the new window and press [Enter] .

Clean up Firefox

If you have previously installed add-ons or themes, these could be the problem. To fix the problem, you can clean up Firefox. Add-ons will be deleted, but your bookmarks and Firefox settings will be retained..

1st step:

image
Go to the file path C: / ProgramData / Microsoft / Windows / Start Menu / Programs and look for the Firefox application. Make a right click "on it and choose Create Shortcut ."

2nd step:

image
Hold down [Shift] and double-click the Firefox shortcut on your desktop. In the window that opens, click on " Clean Firefox ".

Restart the PC

Every time you run Firefox, temporary settings are saved in your Firefox profile. You can easily reset these by restarting your computer.

image

Uninstall and reinstall Firefox

If none of our suggested solutions have helped you so far, you will have to completely uninstall the browser and then reinstall it. Follow our step-by-step instructions or take a look at the brief instructions ..

1st step:

image
Enter " Control Panel " in the search bar at the bottom and press [Enter] .

2nd step:

image
Under the category " programs " to " uninstall programs ".

3rd step:

image
Find Mozilla Firefox in the list . Make a right click on it and select " Uninstall ".

4th step:

image
You can find a link to download Firefox here : https://www.heise.de/download/product/firefox-19416. Download the file and follow the instructions of the installation program to be able to use Firefox on your computer again.

Quick guide: Close Firefox via the task manager

  1. Simultaneously press the [Ctrl] + [Shift] + [Esc] keys .
  2. Under " Processes " click on Firefox and then go to " End Task ".
  3. Click above on " File " and " New Task Run ".
  4. Enter firefox.exe and press [Enter] .

Quick guide: Reinstall Firefox

  1. Type " Control Panel " in the search bar and press [Enter] .
  2. Click on " Uninstall Programs ".
  3. Make a right click on the use of Firefox and click " Uninstall ".
  4. Here is a link to download Firefox : https://www.heise.de/download/product/firefox-19416. Download the file and follow the instructions of the installation program.

...