VKG147 Jul 20 @ 11:47pm
Your game files do not match the servers.
When I open NS2 it says that an update just came out and I need to optimize the game. So I click optimize but after some time it gives me an error "Authentication failed, If other steam games...", and it gives me the same "An update just came out" window. If I try to join a server it tells me that my game files do not match the servers and I can't join ANY server that is up, I can't even play singleplayer.
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VKG147 Jul 20 @ 11:50pm 
Tried every solution possible (online solutions too), doesn't work. Now reinstalling the game. Still NS2 needs to know this.
YO | Obraxis Jul 21 @ 12:40am 
Hi there, sounds like you have some corrupted files, this can be due to many reasons.

Please follow this guide to the letter:

http://forums.unknownworlds.com/discussion/131428/obby-s-full-nuke-ns2-guide-only-way-to-be-sure

If that still does not work, it could actually be a sign that you have faulty RAM. In that regard, please use Memtest+ http://www.memtest.org/ to see if you have RAM faulty (bootable ISO and USB-Stick images available on their site).

Best of luck!
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Date Posted: Jul 20 @ 11:47pm
Posts: 2