Thank you, Topguncp. Password Protected Sharing was turned on. I turned it off like you said and that worked, but then when I went back to the Mac to try it, for some reason, the Windows desktop wasn't visible in the Finder window. It had showed up before so I thought I set it up properly...
I am trying to access a Windows Workgroup from a MacBook Pro. I created a Workgroup and I can see it from the Mac. However, when I try to connect to the Windows desktop from the Mac, it asks for a connection password. I didn't setup a password for the Workgroup and I don't think the Windows...