- 
    Bug 
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    Resolution: Done
- 
    P1: Critical 
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    Qt Creator 3.1.0-rc1
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    None
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        ba5f8cd983d1d182b53445768c3762163d5ebeb1
winrtrunner exits with error "The environment variable ExtensionSdkDir is not set."
To reproduce, just uninstall VCLibs from your system (Remove-AppxPackage in PowerShell). You can see the effect of the build environment on winrtrunner by unsetting ExtensionSdkDir in Creator.