https://support.microsoft.com/en-us/topic/kb3018269-error-912-or-3417-when-you-install-sql-server-2014-sp1-build-12-0-4050-0-7f34525c-d517-6399-a31b-e7033db13706
KB3018269 - Error 912 or 3417 when you install SQL Server 2014 SP1 (build 12.0.4050.0) - Microsoft...
Describes an issue that triggers error 912 or 3417 when you install SQL Server 2014 SP1 (version 12.0.4050.0). To resolve this issue, you must remove version...