can't connect to gamecenter意思

mysql_connect() [function.mysql-connect]:Can't connect to My can't connect to aut-download server.Please try again Cann't connect to DB! Can't connect to game server.Please try again later.(10060) 宝贝坦克提示Can't connect to game server.Please try again later.怎么 SQLSTATE[HY000] [2003] Can't connect to MySQL server on 'loc Can't connect to SETI@home server ;it may be down."SETI@home Can not connect to MySQL server是什么意思 出现错误!Can not connect to database! Can not connect to the ccz server failed to connect world server 意思? 我每次开机用navicat打开MySQL都出现错误：2003-can't connect to mysql server