Assuming you can get to the share from another PC via Start > Run > \\192.168.0.52 and at that point see the share of Pictures
Then the path looks good. But...
Since the login name is @cox.net, that implies domain accounts, or that you are using Windows 8-10, and in that case it would typically be needing port 445 and not 139.
Some machines won't allow 445, and if that is the case you would need to depreciate the OS to use SMB1 (port 139)