H friends one thing i want to say that i am not a tech guys so i can't understood what you want to know more i just want my MDF File back some error i found more if it's helpful you please give me some suggestion....

Connection failed. ERROR [28000] [Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user 'msadmin'. ERROR [28000] [Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user 'msadmin'.