[Nagiosplug-help] please help:CRITICAL - Plugin timed out after 10 seconds

[nathan]

hello, can you please help me with my server I am having problems with 
my nagios I installed it lately in my new server and that don't seem to 
work. I saw this error on the log files

[05-07-2007 13:47:49] HOST NOTIFICATION: 
nathan;v1;DOWN;host-notify-by-email;CRITICAL - Plugin timed out after 10 
seconds

Thanks and regards,
Nathan