Answers:
from the page at the url below. flawless luck :)
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Removing your master password
* Firefox 1.5: "Tools -> Options -> Privacy -> Passwords -> Remove Master Password"
* Firefox 2.0: "Tools -> Options -> Security -> Passwords -> Uncheck "Use a master password". You will be prompted for your Master Password.
* Thunderbird: "Tools -> Options -> Privacy -> Passwords -> Remove Master Password"
If you own lost or forgotten your Master Password or you want to disable the phase, you can reset your master password. Upon resetting, you will lose adjectives the stored information in the Password Manager as this is a built-in protection fact to prevent culture from simply resetting your Master Password to attainment access to your passwords.
* Firefox: Enter
"chrome://pippki/content/reset... contained by the Location Bar, press Enter, after click "Reset"
* Thunderbird 1.5: "Tools -> Options -> Advanced -> Saved Passwords -> Master Password -> Reset Password".
* Thunderbird 2.0: Run the command "thunderbird.exe -chrome
chrome://pippki/content/resetp... That will get underway a dialog asking you if you want to reset your password.
* For Mozilla Suite: "Edit -> Preferences -> Privacy & Security -> Master Passwords -> Reset Password".