|Sounds like you might have drive sharing on, or may have mapped the drives on the network machines. |
Try going to my computer, right-clicking on the drives that are appearing on the network, select "Properties", then go to the "Sharing" tab. You should be able to enable-disable network drive sharing there.
Not everyone can decipher Klingon script...
chay' ta' SoH tlhe' vam Doch Daq