Rule : Previous releases of Microsoft Visual Studio 2008" failed - While Installing SQL Server 2008

· Install Visual Studio 2008 SP1 before you install SQL Server 2008
OR
· Uninstall Visual Studio 2008, and then install SQL Server 2008.
After SQL Server 2008 is installed, you can install Visual Studio 2008, and then install Visual Studio 2008 SP1.
OR
Do not install the following components of SQL Server 2008:
· Management Tools (Basic or Complete)
· Integration Services
· Business Intelligence Development Studio