Firefox Already Running ErrorΒΆ

Written by PChan on 2017-03-11

Every once in a while, you might get the following error:


The easiest way to resolve the issue of a non-functional browser is to switch to a different one such as chromium.

For an actual solution:

  1. Fire up a terminal

  2. Execute the following command:

    $ find ~/.mozilla/firefox -iname "*lock" -delete
  3. Close the terminal and try opening Firefox again