Freeware multi-platform and multi-browser password managers like LastPass not only makes your life easier filling passwords but also saves your time filling forms.
Recently my LastPass installation developed a strange bug after update to Firefox 8 Beta - instead of real decoded values it started filling out strange encrypted login data resulting in failing logins. Luckily, I was able to get rid of this problem using the simple trick posted below.
Strange Encrypted Data Instead Of Login