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Microsoft will deliver Windows Vista Service Pack 2 (SP2) to manufacturing in April 2009, two months after it issues a final test version to users, according to a Web site that accurately predicted several Windows ship dates in 2008.

Microsoft's latest security report shows that the number of new vulnerabilities found in its software was lower in first half of the year than the last half of 2007, with the Windows Vista OS proving more resistant to exploits than XP.

Microsoft asked a federal judge Thursday to end the class-action lawsuit that has been the source of a treasure trove of embarrassing insider e-mails that have showed the company bent to pressure from Intel and infuriated long-time partner Hewlett-Packard.

Although computers running Windows Vista are significantly less likely to be infected with attack code than machines running Windows XP, the newer operating system continues to be threatened by Microsoft's own ActiveX browser plug-in technology, according to a report issued Monday by the company.

Recent sales numbers for Windows Vista paint a somewhat dreary picture for the OS as consumers and enterprises try to save dollars in an economic downturn.

An Austrian security vendor has found a vulnerability in Windows Vista that it says could possibly allow an attacker to run unauthorized code on a PC.

Microsoft will distribute the second service pack for Windows Vista to a small group of beta testers on Wednesday, the company said Friday.

Microsoft will begin beta testing the next service pack update for Windows Vista within weeks, according to a Windows enthusiast Web site.

Twenty-one months after its initial release, what do we know about Windows Vista? That home users hate it, businesses are uninstalling it and — according to Gartner — it's proof that the 23-year-old Windows line is "collapsing" under its own weight.

Fewer than one in eleven of the PCs being used in large or very large enterprises runs Windows Vista, according to survey results released Wednesday by Forrester Research.

Windows Vista customers can now receive the first service pack for the operating system via the Microsoft Automatic Update service, Microsoft said this week.

Microsoft's attempt to reverse a lower court's ruling in the ongoing "Vista Capable" lawsuit was denied by an appeals court on Monday, a decision that means the case can resume.

Calling the situation "untenable" and describing Windows as "collapsing," a pair of Gartner analysts this week said Microsoft must make radical changes to the operating system or risk becoming a has-been.

People are beginning to use 64-bit Windows Vista on PCs in favor of the 32-bit version of the OS faster than they have previously, Microsoft said this week.

Microsoft said that Windows revenues during the first three months of 2008 were down nearly 24 percent from the same period last year.

Companies should think twice about skipping Windows Vista and should get started sooner rather than later on updating their client desktops to the latest Microsoft operating system, according to an independent report issued by Forrester Research.