Software Security Device?

[John]

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.
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