When getting the error ymws:Server.UserOpenFailed Yahoo recommends installing the latest versions of Internet Explorer and Mozilla Firefox provided by Yahoo.
If that does not fix the problem on your computer please try the troubleshooting steps in this guide:
http://www.emailquestions.com/yahoo...nts-connection-problems-browser-timeouts.html
If that does not fix the problem on your computer please try the troubleshooting steps in this guide:
http://www.emailquestions.com/yahoo...nts-connection-problems-browser-timeouts.html