Router is in secure status so cannot be used by

For that you need to access your router configuration page.
Connect your router to computer then access it with following link.
For belkin router
http://192.168.15.1
for other routers
http://192.168.1.1
or
http://192.168.0.1
type user as "admin" and password as "admin" or blank or "password"
then you can see configuration of router.
Click on wireless then check WEP or WAP key it is your password to connect internet.
Let me know if you need further assistance.
Thanks.