I restarted a couple of time too, then I called Support and as luck would have it while I was on the Phone with them I tried again and it just started working again, so it ethier takes time or or it was just because there was somthing elese going on in the back ground.
If the SQL Server is local, is the SQL Server service stopped or not starting?
If the SQL Server was installed using the MS SQL installer or using the installer built-in to the FreeFlow Core installer, the SQL Server Service may be starting with the user account 'NT Service\MSSQL$FREEFLOWCORE' or 'NT Service\MSSQL$<sql-server-instance-name>'. Depending on the environment, network security tools may be stopping the SQL Server service, which will disrupt FreeFlow Core.
If this is the case, configure the SQL Server Service to start using the 'Local System account'.