Analysts praise early numbers, but long-term outlook still up in the air.

Windows boss Jim Allchin backtracks on security remarks.

Global prices for Vista Ultimate and Home Premium to fall by up to 40 per cent.

OEMs continue to offer 'downgrades' to XP.

Update fixes media player for 'most versions' of Vista.

Patch fixes corruption problems.

Study claims update will provide little speed enhancement.

Update for Windows Defender among 20 patches in monthly update.

Update provides a 'smoother experience'.

Didn't download SP1 in March? Feeling lazy? Now the big Vista update is appearing in bite size chunks via automatic update.

Controversial passage on activation updated to allow device transfers.

Now you see it, now you don't. XP and Vista service packs delayed by "compatibility issue"..

Redmond names incompatible applications.

A problem with Microsoft's Windows Genuine Advantage (WGA) over the weekend caused some users to mistakenly have their copies of Windows XP and Vista labeled as fraudulent.

Microsoft is planning to further extend the retail life of Windows XP, adding another six months to the time in which vendors can offer the legacy operating system as an option with new computers..

Redmond under fire for Vista search feature.

New Radeons optimised for Vista and HD video.

Vista, XP spared from most dangerous vulnerabilities.

Company credits Vista and Office for $17.4bn revenues.

Latest version of player touted as 'preview of Vista'.