Error: "Could not find stored procedure 'master.dbo.PRC_ACT_ACTIVE_DATABASE'" while attempting to create an Act! database

Symptom:
You are attempting to create your Act! database and receive the error:

"Could not find stored procedure 'master.dbo.PRC_ACT_ACTIVE_DATABASE'"..

Product:
Product Family: Act!
Product: Act! Pro, Act! Premium
Version: 2012 and later

Solution:
To resolve this issue, follow these steps:

1. UNTICK the "Beta: Use Unicode UTF-8 for worldwide language support" option. To do this, go to Start > Type Control Panel > Region (in large or small icons view) > Administrative > Change System Locale
   
   
   
   
2. Check if Act! has been installed by going to Start > Type Control Panel > Programs and Features (in large or small icons view). If Act! DOES appear in the list, uninstall it.
3. Uninstall the ACT7 instance. For assistance in doing this, please see the article below:
   
   How to uninstall the ACT7 instance from Microsoft SQL Server 2014
   
   

Once these steps have been completed, try reinstalling Act!.