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Error: Object reference not set to an instance of an object
I'm trying to install the AdventureWorks 2008R2 database and I keep on receiving following error message: 'A fatal error occured during installation. Details: Object reference not set to an instance of an object'.
I have checked the prerequisites as well as installed and unistalled the SQL Server 2008 R2 several times yet I keep on receiving this message.
I am quite new to the SQL Server and any suggestions and help would be very appreciated and welcome.
Thanks so much!