.NET Framework Version 2.0 Language Pack
This language pack was released a few days ago. A language pack contains translated text, such as error messages, for languages other than English. Without one of these packs the error messages are shown in English by default. You can get the pack for your language of choice from this link:
.NET Framework Version 2.0 Language Pack
Note: These packs are not translated versions of VS.NET 2005.