Note: While these steps can be completed using most smartphone and tablet devices, we recommend making any changes to your account information with a desktop or laptop com...

Messenger stores that sign in information until you manually go back in and change it. Therefore, if you change your Yahoo! account passwo...

To ensure the security of your account, please understand that we cannot reset your password if you are unable to verify your identity cor...

This document describes how to reset Messenger so it prompts for your id and password at each sign inMessenger 11.5 | Messenger 11 | Messenger 10 and earlier

Open Yahoo! Messenger and sign in .

This is useful for troubleshooting problems that might be caused by settings that were previously changed after installation. When you delete personal settings, some web pages that rely on previously stored cookies, form data,Messenger 11.5 | Messenger 11 | Messenger 10 and earlier

To reset the connection settings in Internet Explorer: On your keyboard, hold down the Windows logo key and press the R

In the meantime, as a possible solution, please sign out of Yahoo! Messenger and sign in again.

Check your computer for malware: Malware installed on your system may cause your account to send spam, even after a password change .Messenger 11.5 | Messenger 11 | Messenger 10 and earlier | Messenger Mobile

If you think that someone is using your account to send SPIM to the contacts on your Messenger List, we recommend that you change your passwordMessenger 11.5 | Messenger 11 | Messenger 10 and earlier | Messenger for Mac | Messenger Mobile