^ Yeah, that's a firewall error. The game isn't able to connect in order to download necessary files and such.
Like Jen said, just add an exception for it and I believe that should do the trick.
what happens if you visit http://itup.myzpyz.nu/update/files/ with your browser
Please do not multipost. Instead, edit your previous one.It blocks the website and says it is harmful
Took this from another thread:what happens if you visit http://itup.myzpyz.nu/update/files/ with your browser