Close Visual Studio if its open.

If you are an Advanced User who has priviledges to edit Registry here you go.

Start > Run > RegEdit

(Backup registry before making changes)

GOTO

HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\<version>\StartPage

On the Right Panel right click on  NewsChannel and select modify

Replace this (http://msdn.microsoft.com/sql/rss.xml) RSS feed with any valid RSS feed of your choice.

Close Registry.

Happy Programming