It is quite Disgusting when we Enter usernames and passwords on Emails and Certain sites Both Firefox & IE prompts you Do you want to remember Password for this Site which is quite annoying Take a look how to get rid of These Prompts from IE and Firefox.

Disable IE Prompts You to Remember Passwords
Open InternetExplorer click Tools select Internet Options Click Content Click AutoComplete and Disable Usernames and And Passwords onForms And Disable Prompt me to Save Passwords
Disable FireFox Prompts You to Remember Passwords
Open Firefox Click Tools And Select Options Select Security and Disable Remember Passwords for Sites Click o.k.