Install .NET Framework 3.0
Madhu Ponduru nel suo blog pubblica una pratica guida per installare correttamente il .NET Framework 3.0. Questi i passaggi principali:
STEP1
Disinstallare nell'ordine eventuali precedenti versioni:
Microsoft WinFX Runtime Components
Microsoft WinFX SDK
Orcas community Development tools for winfx
Microsoft workflow extensions
Microsoft .NET Framework 2.0 Beta (If you don't have 2.0 beta,please ignore this option)
STEP2
Installare la "Microsoft Pre-Release Software Microsoft .NET Framework 3.0 - June 2006 CTP"
http://download.microsoft.com/download/1/D/A/1DA1A5D6-4DF6-45AA-9C2F-E87EFF6F6F78/dotnetfx3.exe
STEP3
Installare "Windows SDK for .NET Framework 3.0 June CTP"
http://www.microsoft.com/downloads/info.aspx?na=40&p=1&SrcDisplayLang=en&SrcCategoryId=&SrcFamilyId=8D09697E-4868-4D8D-A4CF-9B82A2AE542D&u=http%3a%2f%2fdownload.microsoft.com%2fdownload%2f4%2f3%2f6%2f4369A25B-D3FC-4F0E-B90A-21A280C60B5F%2f6.0.5456.3.0.WindowsSDK_Vista_idw.DVD.Rel.img
STEP4
Installare "Microsoft Visual Studio Code Name “Orcas” Community Technology Preview – Development Tools for .NET Framework 3.0"
http://www.microsoft.com/downloads/details.aspx?FamilyId=1A994549-94CB-4F61-903D-A8C8E453EEF4&displaylang=en
STEP5
Installare "Microsoft® Visual Studio® 2005 Extensions for Windows® Workflow Foundation Release Candidate 2"
http://www.microsoft.com/downloads/details.aspx?FamilyId=63A80A4B-BD27-4124-A2A5-61786ADB626E&displaylang=en
Inutile sottolineare quanto questo step-by-step deve essere eseguito scrupolosamente 
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