Here's a round up of this week's Microsoft stories from CIO.com and its sister publications.

Microsoft to Update Windows Phones Monday Microsoft CEO Steve Ballmer may give the world a sneak peek at Windows Mobile 7 during a press conference on Monday at the Mobile World Congress in Barcelona.

Microsoft Delivers Huge Windows Security Update Microsoft Tuesday shipped a record 13 security updates that patched dozens of vulnerabilities in Windows.

Windows Patch Cripples XP with Blue Screen, Users Claim Microsoft users reported on the company's support forum that Tuesday's security updates are crippling Windows XP-based PCs.

Microsoft Stops Serving Windows Patch Blamed for Blue Screens Microsoft has stopped distributing a Windows patch thought to cause a Blue Screen of Death on XP machines, and said it is investigating the problem.