On our little network at home I download things on roughly 3 computers. Copying files back and forth hasn't been a problem until I got my laptop, which is running *horrors* XP Home. For some reason, the other computers can see the files in my shared directory on the laptop, but they can't open, read, or copy anything in the directory. It says that I either don't ave permission to access the files, or that they are in use.
I have the folder shared and I checked the box that says "Allow everyone to change my files, but I ave no dice...