Problem Restoring Database back up.

Question

I am using SQL Server express 2014 Management Studio. 

 

I am having issue with restoring AdventureWorksDW2014.bak and AdventureWorks2014 .bak. 

 

While i tried to restore it using GUI i got " No backupset selected to be restored " message, and with Query 

 

RESTORE DATABASE AdventureWorks FROM DISK = 'C:\Program Files\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\Backup\AdventureWorks.BAK'

 

I got following message.

Msg 3201, Level 16, State 2, Line 1

Cannot open backup device 'C:\Program Files\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\Backup\AdventureWorks.BAK'. Operating system error 2(The system cannot find the file specified.).

Msg 3013, Level 16, State 1, Line 1

RESTORE DATABASE is terminating abnormally.

 

I would appreciate the help. Thank you.