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Yeah, I'm having the same problem. I have two laptops that cannot connect. I just have the WoL, not the new beta yet. And all of a sudden, yesterday (Jan 3) it stopped working after working fine for a year. I've deleted the cache, but there is still no change.
I'm on a US account, but I'm in Japan now.
Is this issue still happening?
From what I've read, it may be a DNS issue. Can we try flushing your DNS first and see if it helps.
Flush the DNS
2. Copy/Paste the following:
Note: You will not get any feedback from Terminal if this is done correctly on any OS.
4. Then go in your Network pref pane => Advanced and click "Renew DHCP lease"
5. Attempt to connect to the game.
I tried flushing the DNS but I am still having the same issue :/ I am on a mac...and my wings of liberty loads launches and plays just fine....but the heart of the swarm beta just refuses to do a single thing with that authentication error...Ive also tried deleting the cache to no avail also...frustrating man...frustrating..
Thank you very much for your help and support. I tried flushing DNS cache by following your steps. However, I still get the same error "Unable to download an authentication module". Please let us know if there is anything else we can try or any other information you need from us.
I just got the beta key today so I downloaded and installed the app on my Mac (OS X ML). I get the same error after clearing the cache and the dns.
After all that I double checked WoL was still working. After launching it and logging in I got an "Error downloading content..." but the progress bar went through and the game worked fine.
I went back to Heart of the Swarm and it still can't detect my internet connection.
I found this post that might be the problem I'm having.
Edited by rupio on 1/7/2013 7:05 PM PST
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