Try this

1. Open Windows "File Explorer"
2. Select the "View" menu option.
3. Check the box "Hidden Items."
4. Next on the root of C:\ , select and open the "ProgramData" folder
5. Select the "Intuit" folder
6. Select the "ProSeries" folder I believe. 
7. Select the "Entitlement" folder
8. Select the "V8" folder.
9. Cut out the file "Entitlmentdatastore.ecml" and paste it on your desktop.
10. Open and License ProSeries.

Your also going to need to license any other years of ProSeries you have installed.