Nethost help

I looked around the forums abit and I dont know if I have bad searching abilities or what but I cant seem to find a solution for my problem so here goes.

I am relatively new at this modding scene. I have custom 3.03 OE-C and just put in iR Shell 3.1. I want to get nethosts working and it works . . . kind of. The first time I tried it, everything worked, i can browse the files in my nethost folder and I though great. Then I tried installing the USB mod to get that to work but it wasnt and it was screwing up my pc so I reinstalled the firmware. Now on 1.5 version of it when I try to connect it, it takes less than a second to say that it cant do it. On 2.71 it connects and the nethost file on the pc says it connects, but I dont see any files in nethost on my psp. Can anyone help?