NCSoft Launcher Can't Connect to its server.

I seem to suddenly be unable to access City of Heroes. Whenever I start up the NCSoft Launcher, I get an error message 'Unable to Contact Launcher Update Server' and that 'There is either a problem with your internet connection, or the update server is currently down. You may retry or skip the update.'

My internet connection is fine. Retrying just brings me back to the same message.

Skipping it give me the warning message that 'the NCLauncher was unable to reach the web address "launcher.ncsoft.com" This could cause unexpected issues to occur with NCLauncher.' and then tells me to contact support.

I have already tried the instructions on the "How do I resolve issues with the NCsoft Launcher?" page of the NCSoft help. (At least, as much as I can. I have no idea how to check if TCP port 80 is fully opened and unrestricted.) It has changed nothing.

I have even tried using GameAdvisor.exe to get more information, only to find it needs to connect to the same server, and it also can't.

Anyone have any idea what is going on? This is a sudden occurrence, I was able to access things just fine as of last Sunday.

If it helps any, my operating system is Windows XP (Home edition), and my internet is through a wireless connection through AT&T U-Verse.

See if you had done something similar as in this post.