A How-to guide on solving Windows Error Code 80072. Read our guide on solving Windows Error Code 80072 and use these tips. It will help you to troubleshoot your issue.
About the Error
When you open Windows Live Messenger and try to sign in you receive this error message which prevents you from accessing the service.
What I did to get rid of Sorry we were unable to sign ...
TipFor more information, please see: How to fix Messenger error #80072