We have fixed the server listing problem!
http://bbs.codebrush.net/viewtopic.php?f=7&t=11&p=32#p32
download the zip file
extract the file
put into C:\Program Files (x86)\Steam\config
Done!
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I recommend that install Team Fortress 2 and play it once.
Then, the 'MasterServer2.vdf' file goes into your Steam config folder.
Come back and play Archeblade.
This may helps.