Confused about "Issues" with devices on account

I'm confused.  I have a 10-license package of Norton 360.  When I log into my Norton account it finds devices with "issues."  My problem is that the devices have meaningless names like Pete Windows 7-3.  My services page shows my package with 7 licenses allocated (actually only 5 are actively used).  How can I reconcile the "devices" with the device name associated with my product license?