Firefox

While I was away from this site I was forced to use another computer that kept getting a particular error whenever Firefox (version 3.x in this case) attempted to download updates for the installed add-ons.  The browser correctly identified when an update was available but when it attempted to install the update the following error was returned:

Download Error -228

I scoured Google for a solution and nothing seemed to work.  There are plenty of users with this issue but not many solutions and no options to follow if the proposed solutions don't work.

The official solutions from Mozilla, none of which worked for me, are: