Summary
When attempting to install SQL Server Express as a pre-requisite for HP Application Security Center products, you receive an error mentioning a beta version of Visual Studio and .NET
Error
SQL Server 2005 Setup has detected incompatible components from beta versions of Visual Studio, .NET Framework, or SQL Server 2005. Use Add or Remove Programs to remove these components, and then run SQL Server 2005 Setup again. For detailed instructions on uninstalling SQL Server 2005, see the SQL Server 2005 Readme.
Cause
This error occurs when the .NET 2.0 Framework beta has been installed and has not been replaced with the release version of .NET 2.0.
Fix
Uninstall the .NET Framework beta and install the release version of .NET 2.0. Installing .NET 3.0 is also acceptable as it includes the .NET 2.0 framework.