Board Thread:General Discussion/@comment-25305666-20140814212024/@comment-98.145.158.250-20150205235245

>Your computer might have too many processes running in the background, or you computer might not have the power to play the game itself. If that's the case you could try game boosting.

Ignore this guy.

G99 is a failure to connect to the login server, so check your firewall, both on your computer and your router. If it only happens intermittently, it may just be that the login server is down temporarily.