为何1.6建主或进服务器进不去？？？

denfajun

Settings successfully loaded

NET Ports:  server 27015, client 27005
Server IP address 169.254.13.81:27015
InstallTutor - Tutor Setting is 0
couldn't exec listip.cfg
couldn't exec banned.cfg
Bogus key length on CD Key...
Bogus key length on CD Key...
InstallTutor - Tutor Setting is 0
couldn't exec listip.cfg
couldn't exec banned.cfg
Adding master server 207.173.177.12:27010
Adding master server 207.173.177.11:27010
Invalid authentication cert

这是在进建主时出现的内容，请帮忙!