We understand that you are receiving the error code 800488fb when trying to sign into Windows Live Messenger.
You received this error because we noticed some unusual activity in your account. While you should be able to successfully sign in now, you will be interrupted with this error again within the next few days. When that happens, you can simply sign into the Windows Live ID account management (http://account.live.com/
) and follow the prompts to verify your account. Once you complete the verification steps, you will be able to sign-in to Windows Live Messenger.
We appreciate your patience as we work to ensure your account is as safe and secure as possible.
To read more information about this error, please check this solution article: http://windowslivehe...6e-330f86aba641