“%ProgramFiles%Microsoft SQL Server90Setup BootstrapARPWrapper.exe /Remove” Uninstall the SQL Server components one at a time until all the SQL Server components are uninstalled. Note: Add or Remove Programs also runs the ARPWrapper.exe program by using the /Remove option. However, the reference to the ARPWrapper.exe program may have been deleted. Make sure that all the services (if they exists) relevant to this SQL Server instance is stopped. ]]>