Accounts are locked for 24 hours if you - or someone else - used the wrong password three or more times when attempting to sign into your account.
"Locked Account"
Account Locked
If you recently changed your password, Messenger will not automatically update it. You will need to switch to a desktop or laptop and update your new password in Messenger.
"To manually update Yahoo! Messenger with your new account password:
1. Open Yahoo! Messenger.
2. On the main Yahoo! Messenger sign in screen, clear out your Yahoo! ID:
- Select your Yahoo! ID in the Yahoo! ID box and press Delete on your keyboard.
3. Clear out your old password:
- Select your password in the Password box and press Delete on your keyboard.
4. Type your Yahoo! ID and new password in the Yahoo! ID and Password boxes.
5. Leave the Remember my ID & password checkbox checked, if you wish.
6. Click Sign In."
Please clear your cache and cookies before entering your new password. This will allow the system to update and recognize your password.
Passwords are case sensitive and must be typed exactly as it appears on file.
When signing in from a mobile device, please note that some mobile devices are set to automatically capitalize the first letter.
"Can't sign in to Messenger after changing Yahoo! account password"
Can sign in to Messenger with your new Yahoo password
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