How do I remove True Key that was installed with Reader?

I updated adobe yesterday in my laptop.  Today when trying to sign in to windows, something called True Key comes up where I normally put in my password.  I cannot get past that and it will not let me put in my password.  From researching about TK on line (thank goodness I have another computer!) it apparently installed when updating adobe.  I see online where I can uninstall it- AND I DIDN'T EVEN WANT IT IN THE FIRST PLACE, but I have to be able to get in to my control panel, which I cannot since it will not let me sign on with psswrd.  THIS IS REALLY REALLY IRRITATING WHEN SOMETHING LIKE THIS SNEAKS IN THAT I DID NOT EVEN WANT, and it screws up everything.  How can I get rid of this parasite since I can't get in to windows?   Any suggestions?'