I have disabled my fire wall and antivirus software why is it not working still and what do I do to fix it. 
Minecraft login proplems?
Austin 25.05.2015
Uninstall then reinstall, its do to the 1.8.4 update that fixes some security errors just it will not update on older versions like windows 7 or lower
Shawn 25.05.2015
Here are the minecraft help forums. You will probably get much better info there
brayden 25.05.2015