まとめ。

Microsoft .NET Framework Version 2.0 Redistributable Package (x86)
http://www.microsoft.com/downloads/details.aspx?FamilyId=0856EACB-4362-4B0D-8EDD-AAB15C5E04F5&displaylang=en

Microsoft .NET Framework 2.0 日本語 Language Pack (x86)
http://www.microsoft.com/downloads/details.aspx?FamilyID=39c8b63b-f64b-4b68-a774-b64ed0c32ae7&DisplayLang=ja

Microsoft .NET Framework 2.0 SDK 日本語版 (x86)
http://www.microsoft.com/downloads/details.aspx?familyid=FE6F2099-B7B4-4F47-A244-C96D69C35DEC&displaylang=ja