Has anyone with a linux dual-boot successfully updated to 8.1? I've been having trouble, and I suspect that my Ubuntu partition might be part of the problem.
See my main post with error logs here: http://answers.microsoft.com/en-us/windows/forum/windows8_1-windows_install/error-with-windows-81-pro-upgrade-0xc1900101/7431247f-b091-4f27-8b0c-8a4d27df6db2