žemiau to linko yra:

IMPORTANT: After installing the .NET Framework 3.5 SP1 package (either the 
bootstrapper or the full package) you should immediately install the update 
KB959209 to address a set of known application compatibility issues.
In addition, on Windows Vista x64 and Windows Server 2008 x64, install the 
update KB967190 to address a file association issue for XPS documents.

ar win7 tai galioja? turėčiau suleist KB959209?

> zr. link'a i Full Package