Updating blizzard launcher
If you’re on Mac, you’ll need to locate the Battlenet launcher executable on your system, open up the Info Window, and check inside the Sharing & Permissions section to verify whether the program has both Read & Write privileges.
Click on the lock icon to edit your settings, and select “Read & Write” from the dropdown menu.
At some point, you’re likely to have had some trouble accessing a certain web page because a cached file on your PC has become corrupted.
The same principle, unfortunately, applies beyond the world of web browsers; sometimes, when Battlenet won’t start, it’s due to caching issues. To do this, you’ll need to start by killing any open Battlenet-related processes, including the game you’re playing, Blizzard Battle.net, and either or Blizzard Update When your Battlenet client won’t start, the root of your issues may be your firewall or antivirus programs.
That's why it's strange to have a couple who can't...
After the 2014-01-18 patch, started failing to start.
Are you able to try accessing the show through a different network?
If you are having trouble logging in now, try completing a password reset: blizz.ly/2MM1f Ux ^KAL Thanks for the report Alex.
You do not need an authenticator to submit a ticket.
When your ticket is answered, you'll receive an email - so being able to check the status during this time isn't really needed.
If you see someone contemplating self harm, please report that as well.
^KAL It looks like there have been 3 tickets submitted over the last 5 days and they've been answered.
Though these programs are generally vital to the security of your computer, sometimes they can be slightly overprotective, and end up blocking virtually any program that tries to connect to the internet.