CREATE FILE encountered operating system error 3(The system cannot find the path specified.) while attempting to open or create the physical file 'D:\tempDb\Data\tempdb.mdf'.

https://blog.sqlauthority.com/2017/04/27/sql-server-unable-start-sql-service-os-error-5-access-denied-tempdb/

https://blog.sqlauthority.com/2019/01/21/sql-server-fcbopen-failed-tempdb-files-fail-to-be-created-with-error-create-file-encountered-operating-system-error-3/

• run CMD
• NET START MSSQLSERVER /f /mSQLCMD
• SQLCMD -S localhost -E
• ALTER DATABASE tempdb Modify FILE (Name = 'tempdev',FileName = 'C:\tempDB\tempdb.mdf')
• ALTER DATABASE tempdb Modify FILE (Name = 'templog',FileName = 'C:\tempDB\templog.ldf')