Fails to launch new VS Code 64 bit

[CodeCharm]

Version info:

Microsoft Visual Studio Community 2017 Preview (vs2017c)
Version 15.3.1 Preview 1.0
VisualStudio.15.Preview/15.3.1-pre.1.0+26730.8
Microsoft .NET Framework
Version 4.7.02046

Open in Visual Studio Code 1.3.21

Even though I installed this in the VS2017Preview, I don't think that's the issue, because it worked just before I upgrade Visual Studio Code to the new 64 bit version.

Here's the error dialog that shows after I click the "Open in Visual Studio Code" command on a file:

[CodeCharm]

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