Microsoft needs your help to nail the Windows 8.1...
Microsoft needs your help to nail the Windows 8.1 update 0xc1900101 Blue Screens
Two weeks into a vexing bug, people trying to upgrade to Windows 8.1 are still reporting Blue Screens
If you've been having trouble upgrading from Windows 8 to Windows 8.1, and are encountering Blue Screens marked 0xc1900101 - 0x40017 or 0xC1900101-0x20017, 0xC1900101-0x40019 or 0xc1900101 - 0x30018, there may be a fix for your problems. But if none of the remedies offered here get you upgraded, please head to the Microsoft Answers forum and post details about your configuration. Because after two weeks of trying, Microsoft still hasn't figured out what's causing the problem, and your input may help...
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