Gregg Keizergkeizer@computerworld.com, Computerworld Follow me on Google+

Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld.

Julie Larosn-Green

Microsoft's hardware chief shifting to services when Nokia's Elop arrives

Julie Larson-Green, who now runs Surface and Xbox, takes a lower-level job with the group responsible for Office

Windows 8 may be selling, but different figures define its use

Calculations show that between 165 million and 184 million copies of Windows 8 are being used to access the Web.

Microsoft tools protect IE10 until Patch Tuesday arrives

Microsoft has delivered a stopgap defense for active attacks against Internet Explorer 10, and is not likely to ship a patch before March 11.

Google triggers Chrome 'kill switch' for unapproved plugins

All extensions on Windows must be installed from the Chrome Web Store; those that were not will be permanently disabled

Mozilla defends in-app Firefox ads as financial necessity

Use of the so-called Directory Tiles that include ads will help keep Firefox free of charge and support Mozilla's ongoing projects, the chair of the Mozilla Foundation says.

Microsoft nudges us more firmly toward Windows 8

But extends end-of-sales date for business PCs running Windows 7 Professional

Apple's iTunes is almost as big as Microsoft's Windows business

Apple's revenue from music, apps and services equal 91% of what Microsoft made from the group that sells Windows to computer makers.

Microsoft Office 2003

Windows XP isn't the only software getting the knife in 8 weeks

Microsoft will also end support for Office 2003 and Exchange 2003 as well.

securityshowdown primary

Microsoft adds critical IE, XP fixes to Tuesday's patch slate

Two more updates boost the total for tomorrow to seven, including patches for Internet Explorer and Windows XP.

coding

Pwn2Own security contest offers $645,000 in prizes

This year's contest offers a grand prize of $150,000 that requires researchers to deal with Microsoft's EMET anti-exploit toolkit.

Microsoft patches next week even include Windows XP

Three of the four updates for Windows on Patch Tuesday will affect Windows XP, which is scheduled for retirement in April.

xp support ends

Microsoft asks for help coaxing users to ditch Windows XP

As the countdown to Windows XP's cutoff continues, the company encourages users to help users to upgrade, but offers no discounts for the new OS.

Windows XP users reluctant to part, or to adopt Windows 8

The soon-to-be-retired Windows XP is gaining user share while adoption of Windows 8 and 8.1 stalls.

Google bets $2.7 million in Chrome hacking contest

After last year's semi-washout, the March security contest will again try to draw out exploits of the Chrome operating system.

surface pro2 gallery

Microsoft loses money on every Surface tablet it sells

Microsoft's financial reports indicate it took a $39 million hit on its tablet sales during 2013's fourth quarter.