[ubuntu] Can use files on my Windows drive but can't share over network

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http://ubuntuforums.org – I just tried sharing the old My Videos file folder on my 500GB Windows drive and it shows that it's shared but when I try to access it over the network it's saying I don't have permission. I checked the box to allow guests access. Still no sharing. How do I accomplish this? In my Home Folder it shows as 500GB device with the eject symbol next to it. I can access the folder and use the files locally on the machine but not over the Samba network. Curious what I'm doing wrong. Also, I can share other files in the Home Folder (not on the Windows Drive). (Hardware)