I can't check my email because of this error. Please advise.

Unable to send or receive messages for the Charter (katsmom94) account. An incorrect password was entered. The next time you send or receive messages, you'll be asked to enter your user name and password for this account.

Server Error: 0x800CCC90
Server Response: -ERR invalid user name or password.
Server: 'pop.charter.net'
Windows Live Mail Error ID: 0x800CCC92
Protocol: POP3
Port: 110
Secure(SSL): No