Crash when opening folder from opened folder on menu bar

I recieved this message after selecting a folder from an opened folder on the Cairo menu bar.

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Cairo Desktop Error
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Would you like to restart Cairo?

Please submit a bug report with a screenshot of this error. Thanks! 
Message: Object reference not set to an instance of an object.
Target Site: Void btnFile_Click(System.Object, System.Windows.RoutedEventArgs)
Version: 0.3.6617.35229

   at CairoDesktop.Cairo.btnFile_Click(Object sender, RoutedEventArgs e)
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   at System.Windows.Controls.Primitives.ButtonBase.OnClick()
   at System.Windows.Controls.Button.OnClick()
   at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   at System.Windows.EventRoute.InvokeHandlersI...
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Yes   No   
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[dremin]

Thanks for confirming, I found the issue and it will be fixed in the next build.

[dremin]

This is now fixed in the latest build, please update this if you continue to have the issue.