We have recently become aware of a regression in one of the TCP/IP functions that manages the TCP port pool which was introduced in the July 10, 2018 Windows updates for Windows 7/Server 2008 R2 and Windows 8.1/Server 2012 R2. This regression may cause the restart of the SQL Server service to fail with the...

https://blogs.msdn.microsoft.com/psssql/2018/07/26/july-10-2018-windows-updates-cause-sql-startup-issues-due-to-tcp-port-is-already-in-use-errors/