Microsoft Windows was the highest source of vulnerabilities among operating systems with Internet Explorer scoring highly in the applications category.
Microsoft has responded to the overwhelming demand for Windows 7 by opening it out beyond its original limit of 2.5 million downloads.
Microsoft's major patch this week apparently failed to close two zero-day vulnerabilities in older operating systems – although those running Vista and XP with SP3 are not at risk.
It's the end of an era, with Microsoft finally stopping issuing licences for Windows 3 software, more than 18 years after it made its debut.
Windows Vista SP2 will be in the wild as a limited beta release on Wednesday 29 October, although it's not expected to bring any surprises.
For those looking forward to the funky new name for the forthcoming Windows 7 operating system, the wait is over – and Microsoft has called its replacement for Vista 'Windows 7'.
Apple is celebrating a new milestone after a research company reported that Macs have now taken an 8% market share in computing for the first time.
Microsoft has gone on the offensive as it attempts to prove that Vista's actually a decent OS and is just getting a bad press