Event ID 3760

Event ID 3760

Cause

The service application was not removed in the proper format, leaving behind orphan entries for databases.

Resolution

Deleted the Orphan Entries using PowerShell 

Commands:

Get-SPDatabase | where {$_.name -match "<Name of the Service Database>"} | fl

$db = get-spdatabase | where {$_.id -match "<ID enumerated of the Database from above command>"}

$db.Delete()