What steps will reproduce the problem?
1. set curse client profiler settings to 'outbound access' only in anti-virus firewall settings such as mcafee
2. run curse client
3. >> unable to login <<

What is the expected output? What do you see instead?
"curse client is unable to login"

What version of the product are you using?
3.0.0.7

Do you have an error log of what happened?
Sun Oct 11 12:18:26 2009> [Startup] Vista detected.
Sun Oct 11 12:18:26 2009> [UAC] TokenElevationTypeDefault - User is not using a split token.
Sun Oct 11 12:18:26 2009> [Utility] Closing handle.
Sun Oct 11 12:18:26 2009> [Startup] Process elevation tested...
Sun Oct 11 12:18:26 2009> [Startup] App started.
Sun Oct 11 12:18:48 2009> [HTTPManager] Http transaction failed!
Sun Oct 11 12:18:48 2009> [HTTPManager] Http transaction failed!

Please provide any additional information below.
software updaters and data publishers ideally should not require a 'server' aspect on the end-users' computer