Firefox won't start - you can do that
If your Firefox browser no longer starts, we will show you in this practical tip how to fix the problem.
Task manager: delete hidden duplicate Firefox process
If you don't feel like restarting, the best way to do it is as follows:
- Press the [Ctrl] + [Alt] + [Del] keys and start the Task Manager.
- Click on the "Processes" tab and look for the "firefox.exe" process.
- Select the process and click on "End process" in the bottom right.
- Now restart your browser as normal.
In addition, we have put together secret functions of Firefox in another practical tip.