SQL LocalDB Installation Error For HRESULT 0x8002802F

Have a look at the below links; It may help you out:

 

http://stackoverflow.com/questions/27352413/cant-install-sql-server-2014-on-windows-7-hresult-0x8007370b

 

https://social.msdn.microsoft.com/Forums/sqlserver/en-US/038562a3-3b0d-4ec8-87ae-20d95c3ebd53/installation-error-2908-sql-server-2008?forum=sqlexpress 

Please check the connection string properly, i.e version, username and password etc.

 

Also make sure that local db version installed on the machine have proper version mentioned in the connection string also.

 

Doing this might fix your issue