The error is

We can't sign you in to yahoo! Messenger. There might be a problem with your Internet connection. Make sure your computer is connected to the Internet. Click Troubleshoot to begin a series of tests to try to diagnose the connection problem.

The thing is, the internet connection is totally fine, I tried most of the fixes like seeing if it's blocked in firewall or changing settings in that "messenger" box when you get to sign in or re-connecting my internet via unplugging the cable but whatever I do it doesn't work.

I am certain the username and password are typed in perfectly and it also gets even weirder: I had this problem initially with an ID named "notthationic" but, due to not being able to use it, I made a new ID and got the EXACT same problem. Keep in mind that yahoo mail is working when I sign in on both ids/mails but the messenger works on neither.

  • What version of Yahoo IM are you using? If you are using the current version I would contact Yahoo for assistance. – Ramhound Jan 3 '14 at 17:51
  • 1
    Are you at work? Your company could be blocking ports that IM like Yahoo uses to communicate with the server. – Vladimir Oselsky Jan 3 '14 at 19:47
  • I am at home and I would like to leave the call to Yahoo as a last resort if possible. – Steven Jan 3 '14 at 22:41

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