Upcoming migrations from Windows XP to Windows 7 bode well for IT pros with the right skills but portend tough times for IT budget-holders

Just one day before Microsoft releases its largest Patch Tuesday update, a new zero-day bug affecting Windows 7 and older operating systems has been discovered

Windows 7 has now passed Vista in terms of total numbers of users, but Windows XP remains the undisputed king of the operating system market

Microsoft is letting Windows XP Professional users keep their downgrade rights for the life cycle of Windows 7

The issue of responsible disclosure has come to the fore after news that the Windows XP zero-day vulnerability exposed by a Google engineer, is being targeted by hackers

Natural attrition is financially and environmentally sustainable, and Microsoft's expiry date for XP is eco-hostile, says Andrew Donoghue.

Gartner has said that businesses should remove Windows XP from their work machines by the end of 2012, and should start upgrading to Windows 7 now

Microsoft's Security Intelligence Report says Windows XP is now bearing the brunt of most attacks

The controversy created by McAfee's buggy antivirus update should encourage organisations to consider a staged approach to updating computers, says Brian Prince

PCs running Windows XP have been brought to a standstill worldwide after McAfee VirusScan Enterprise issued a false positive