Changing Database, which is the best route?

Where should it create this file? Is it because there is already one ina cirtain locationcalled SambaPOS4.sql?

Edit: I even went back to basics and followed the tutorial here: How to migrate from SQL Compact Edition (sdf file) to SQL Server 2012 Express

But still no Joy, rather than creating 1 database, it creates three…

Edit: I tried on another computer and still get this: