سوال: علت اخطار The program has unexpectedly finished.

کد HTML:

import QtQuick 2.2
import QtQuick.Controls 1.2
import QtWebKit 3.0
 
ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("عنوان")
    Rectangle{
        id: rootangel
        color:"black"
        width: 1280  //parent.width
        height: 720 //parent.height
      anchors.fill: parent
 
    WebView {
        id: translationsList
              anchors.fill: parent
              url: "file:///F:/qt/html/test/test.htm"
 
        width: rootangel.width
        height: rootangel.height
         scale: 1
         smooth: false
    }
    }
}