Networking Problems

[Trigani-Maru-Suke]

Alright, I hope someone here will be able to help me with my problem. Ok, so here is my situation. I have 3 computers at my house: My computer (Running Windows Xp Home Edition), a computer upstairs (Also running XP Home) and another older comp that my grandma gave me (Running 2000 Pro). Now up until yesterday we had the internet but only my computer had it because we didn't have a router. Well yesterday my mom bought one, and I hooked it up no problem. All 3 of the computer have internet access, but I cann't get them to be able to share files/folders.

I'v done it before and had no problems with it but this time every time I try and access "mshome" or anything it gives me this error:

http://xs113.xs.to/xs113/07094/error.PNG

[Tharrick]

Have you run the network setup wizard on all the computers? YOu'll also have to make a disc with the wizard from one of the ones running XP and use that on the one that isn't