osxpetition writes "As noted in a News.com article, Symantec researchers have been testing the latest Microsoft Windows Vista build (Beta 2), and have found that the code is 'complete with new corner cases and defects' in the networking component. Symantec describes how Microsoft scrapped the old networking stack code from Windows XP in favour of newer, rewritten code. 'Microsoft has removed a large body of tried and tested code and replaced it with freshly written code.' Since January 2002, Microsoft has put a stronger emphasis on protecting PCs by attempting to implement stable, secure code into Windows XP and their new operating system. This latest report from Symantec brings attention to Microsoft's trustworthy computing campaign, and shows how it will be a long way before it is ready for the mainstream."