You don't. The Reset feature wasn't introduced until Firefox 13.0.

How do I deal with ransom ware?

See [/questions/965956]

You can make a new profile, then transfer some files from the old profile to the new profile, please read the articles below.

• Profile Manager - Create, remove or switch Firefox profiles
• Recovering important data from an old profile

this does not seem to appear for me:

"hit reset firefox in the window"

Hi,

Unfortunately we had a data base error today and lost some user accounts when we had to go back to our backups. If you have started this thread, your's is one of those. Since we can not recreate your account, please sign-up for a new account here to reply to the forum messages:

https://support.mozilla.org/users/auth

You can use the same username and email address as before. We are very sorry for the inconvenience.