Bad Request when inputting Raspberry Pi IP address


I am following the guide to set up Emoncms on my raspberry pi and an external usb hard drive. Everything is going well until I need to put the Raspberry Pie IP address in the browser. I used fing to find the IP address of the raspberry pi however when I input the ip address I revieve a Dillo: 400 Bad Request:

Bad Request

Your browser sent a request that this server could not understand

Apache/2.2.22 (Debian) Server at Port 80

I am very new at this, thanks for the help.