desktop: Windows installer never completes installation

Description

Installer goes into a loop, never finishing the install. No UI is shown at all.

Version

GitHub Desktop version: 0.5.9

OS version: Microsoft Windows [Version 10.0.14393]

Steps to Reproduce

1. Clean install of Windows 10 Pro
2. Download and install
3. Installer never completes, looping a squirrel-task appoximately once per second

It looks like all the files are installed, but running GitHub Desktop.exe does not start the program.

Expected behaviour: Installer completes

Actual behaviour: Installer loops indefinitely

Reproduces how often: 100%

Logs

Contents of C:\Users\fr\AppData\Local\GitHubDesktop\app-0.5.9\SquirrelSetup.log: (complete)

2017-06-01 17.28.23> Program: Starting Squirrel Updater: --updateSelf=C:\Users\fr\AppData\Local\SquirrelTemp\Update.exe
2017-06-01 17.28.23> Program: About to wait for parent PID 8960

Content of C:\Users\fr\AppData\Local\GitHubDesktop\SquirrelSetup.log: (partial)

2017-06-01 17.28.23> Program: Starting Squirrel Updater: --createShortcut GitHub Desktop.exe
2017-06-01 17.28.23> ApplyReleasesImpl: About to create shortcuts for GitHub Desktop.exe, rootAppDir C:\Users\fr\AppData\Local\GitHubDesktop
2017-06-01 17.28.23> ApplyReleasesImpl: Creating shortcut for GitHub Desktop.exe => C:\Users\fr\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\GitHub, Inc.\GitHub Desktop.lnk
2017-06-01 17.28.23> ApplyReleasesImpl: About to save shortcut: C:\Users\fr\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\GitHub, Inc.\GitHub Desktop.lnk (target C:\Users\fr\AppData\Local\GitHubDesktop\GitHub Desktop.exe, workingDir C:\Users\fr\AppData\Local\GitHubDesktop\app-0.5.9, args , toastActivatorCSLID 27d44d0c-a542-5b90-bcdb-ac3126048ba2)
2017-06-01 17.28.23> ApplyReleasesImpl: Creating shortcut for GitHub Desktop.exe => C:\Users\fr\Desktop\GitHub Desktop.lnk
2017-06-01 17.28.23> ApplyReleasesImpl: About to save shortcut: C:\Users\fr\Desktop\GitHub Desktop.lnk (target C:\Users\fr\AppData\Local\GitHubDesktop\GitHub Desktop.exe, workingDir C:\Users\fr\AppData\Local\GitHubDesktop\app-0.5.9, args , toastActivatorCSLID 27d44d0c-a542-5b90-bcdb-ac3126048ba2)
2017-06-01 17.28.23> ApplyReleasesImpl: Examining Pin: Google Chrome.lnk
2017-06-01 17.28.23> Program: Starting Squirrel Updater: --createShortcut GitHub Desktop.exe
2017-06-01 17.28.23> ApplyReleasesImpl: About to create shortcuts for GitHub Desktop.exe, rootAppDir C:\Users\fr\AppData\Local\GitHubDesktop
2017-06-01 17.28.23> ApplyReleasesImpl: Creating shortcut for GitHub Desktop.exe => C:\Users\fr\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\GitHub, Inc.\GitHub Desktop.lnk
2017-06-01 17.28.23> ApplyReleasesImpl: About to save shortcut: C:\Users\fr\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\GitHub, Inc.\GitHub Desktop.lnk (target C:\Users\fr\AppData\Local\GitHubDesktop\GitHub Desktop.exe, workingDir C:\Users\fr\AppData\Local\GitHubDesktop\app-0.5.9, args , toastActivatorCSLID 27d44d0c-a542-5b90-bcdb-ac3126048ba2)
2017-06-01 17.28.23> ApplyReleasesImpl: Creating shortcut for GitHub Desktop.exe => C:\Users\fr\Desktop\GitHub Desktop.lnk
2017-06-01 17.28.23> ApplyReleasesImpl: About to save shortcut: C:\Users\fr\Desktop\GitHub Desktop.lnk (target C:\Users\fr\AppData\Local\GitHubDesktop\GitHub Desktop.exe, workingDir C:\Users\fr\AppData\Local\GitHubDesktop\app-0.5.9, args , toastActivatorCSLID 27d44d0c-a542-5b90-bcdb-ac3126048ba2)
2017-06-01 17.28.23> ApplyReleasesImpl: Examining Pin: Google Chrome.lnk
[repeatedly]

Additional Information

New machine with AMD Ryzen CPU.