This shoud help but keep in mind stuff changes over time
FIRST VIDEO WITH THE PROBLEM I HAD (read below)
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If you dont get the exact same message still try my message
because steam uses this method with other problems.
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NEED HELP LEAVE A COMMENT OR ADD ME @
http://steamcommunity.com/profiles/76...
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------MESSAGE BACK FROM STEAM----
Please exit Steam and go to the folder called C:\Program Files\Steam\ (this is the default location for a Steam installation - if you set a different installation directory, you will need to browse to it).
Delete all of the files in this folder except:
The \Steamapps\ folder and Steam.exe (this file is listed as an application and features the black and white Steam logo)
Restart your computer.
Then, launch Steam.exe from within the Steam installation folder, and not from a pre-existing shortcut.
With Steam running, re-test the original issue.
Note: This process will not affect your currently installed games.
If the issue persists, make sure your network is optimized for Steam:
Title: Troubleshooting Network Connectivity
Link: http://support.steampowered.com/kb_ar...
If you are using a Mac, please follow the instructions below.
Please exit Steam and go to the folder Users/[username]/Library/Application Support/Steam
Delete all of the files in this folder except for SteamApps.
Restart your computer.
Launch Steam and re-test the issue.
Note: This process will not affect your currently installed games.
Note: If you are using Lion please do the following to enable your Library folder:
1. Open Terminal
2. Type chflags nohidden ~/Library
3. Close Terminal
You should see the Library folder available through the Go menu on the menu bar while holding down the option key.
If the issue persists, make sure your network is optimized for Steam:
Title: Troubleshooting Network Connectivity
Link: http://support.steampowered.com/kb_ar...
****ALL INFO FROM STEAM SUPPORT****
/ fluxplaysgames