 This is a Bloomberg Money Minute. It's been global chaos today following a software failure by CrowdStrike that runs on countless Microsoft Windows computer systems. Both companies have rolled out fixes and systems are being restored, but the scale of today's disruption shows the enduring ubiquity of Microsoft's Windows. It's installed on more than 70% of machines, according to StatCounter, and CrowdStrike is the global leader in modern corporate protection software, according to research firm IDC.