License Count

I recently had a computer that failed and I was unable to uninstall Norton 360.  I installed Norton 360 on the replacement computer.  I have 2 computers but my licenses count shows 3 in use.  How do I go about getting this adjusted? to properly reflect the 2 licenses in use?

I recently had a computer that failed and I was unable to uninstall Norton 360.  I installed Norton 360 on the replacement computer.  I have 2 computers but my licenses count shows 3 in use.  How do I go about getting this adjusted? to properly reflect the 2 licenses in use?