Okay this is a weird one... I recently purchased a new computer and decided to use my old one as a file server. I removed a HDD from a third computer (we'll call it HDD A) to include in my new file...

I am baffled by how Windows 10 handles file sharing between computers these days. I remember the Homegroup option was a little wonky, but at least it worked. Here's the situation. I have my whole...