Go to TB menu > Settings > Privacy & Security > Passwords

Click the 'Saved Passwords button > click the 'Show Passwords' button

R. click the entry with the old PW > Edit Password

Save and close.

Ed The edit password is grayed out Help

Click button Show password first and then try to Edit

That does not fix the problem

Ed The edit password is grayed out Help

Select the account and click the 'Remove' button. After that, you'll be prompted to save the user ID and PW when you try to log in.

There is not a entry for imap in the saved entries

Are you able to log into the web interface?

Not familiar with web interface. I am a real novice with the PC

Not familiar with web interface. I am a real novice with the PC

The web interface is https://webmail.spectrum.net/mail/auth.

I am getting a message "failed to connect to server mail.twc.com"

I am getting a message "failed to connect to server mail.twc.com"

Not good! Check with another browser if possible. If that also doesn't connect, you'll have to contact your internet service support department.

Earlier contact with Spectrum, that person thought the password problem could be corrected by contacting Thunderbird person.

Earlier contact with Spectrum, that person thought the password problem could be corrected by contacting Thunderbird person.

You said you can't get a connection to the website with your current browser. That is the root problem; if you can't do that, you'll never be able to log in. Did you try going to mail.twc.com with another browser?