Software Security Device?

[NoOp]

John wrote:
> When I sign on to my Bank , I get a Software Security Device window
> asking for my master password.
> 
> I do not remember ever entering a password.  I don't mind being asked if
> I had entered one.  I would like to try to change the password but don't
> know how to do that.  I may well be that Linux did not create this
> problem.  Any help in solving this annoyance would be greatly
> appreciated.
> 
> This may be more of a problem being started by the boot loading program.
> I just do not have the expertise of solving this problem.
> 
> 

It's a security feature in Mozilla/FF/TB/SM etc:

http://kb.mozillazine.org/Master_password