Upgrade causes loss of all firefox settings (?)

[Ronald F. Guilmette]

In message <CAFYkXjmA_DTP=Bzf=D+QSw890tbrz0+ZNTiLaWNj=DmR749sKA at mail.gmail.com>
CeDeROM <cederom at tlen.pl> wrote:

>On Tue, Feb 12, 2013 at 10:38 PM, Ronald F. Guilmette
><rfg at tristatelogic.com> wrote:
>> Looking into this issue a bit deeper, I've now learned that all of
>> one's personal settings are stored in a directory having a name which
>> has the following general form:
>>         ~/.mozilla/firefox/????????.default
>
>Hey Ronald, are you sure there is no corruption on the disk?

I have no reason whatsoever to suspect that there is.