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Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
	at euphoria.installer.OSHelper.getOS(OSHelper.java:21)
	at euphoria.installer.InstallerThread.<init>(InstallerThread.java:23)
	at euphoria.installer.Installer.registerWorkers(Installer.java:74)
	at euphoria.installer.Installer.access$2(Installer.java:73)
	at euphoria.installer.Installer$1.lambda$0(Installer.java:60)
	at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
	at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
	at javafx.beans.property.ReadOnlyObjectPropertyBase.fireValueChangedEvent(ReadOnlyObjectPropertyBase.java:74)
	at javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(ReadOnlyObjectWrapper.java:102)
	at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112)
	at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146)
	at javafx.scene.web.WebEngine$LoadWorker.updateState(WebEngine.java:1289)
	at javafx.scene.web.WebEngine$LoadWorker.dispatchLoadEvent(WebEngine.java:1404)
	at javafx.scene.web.WebEngine$LoadWorker.access$1200(WebEngine.java:1282)
	at javafx.scene.web.WebEngine$PageLoadListener.dispatchLoadEvent(WebEngine.java:1269)
	at com.sun.webkit.WebPage.fireLoadEvent(WebPage.java:2536)
	at com.sun.webkit.WebPage.fwkFireLoadEvent(WebPage.java:2380)
	at com.sun.webkit.network.URLLoaderBase.twkDidFinishLoading(Native Method)
	at com.sun.webkit.network.URLLoader.notifyDidFinishLoading(URLLoader.java:775)
	at com.sun.webkit.network.URLLoader.lambda$didFinishLoading$5(URLLoader.java:766)
	at com.sun.javafx.application.PlatformImpl.lambda$null$5(PlatformImpl.java:295)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.javafx.application.PlatformImpl.lambda$runLater$6(PlatformImpl.java:294)
	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
	at com.sun.glass.ui.win.WinApplication.lambda$null$4(WinApplication.java:185)
	at java.lang.Thread.run(Thread.java:748)