title: Flutter Project does not start
body: <p>When I want to start my project the following message appears</p>
  <pre><code>Launching lib\main.dart on Chrome in debug mode...
  </code></pre>
  <p>Then Google Chrome starts but it doesn't show anything except a white screen.</p>
  <p>I have already reinstalled flutter, Dart SDK and VS Code.</p>
  <p><strong>Flutter Doctor:</strong></p>
  <p>Doctor summary (to see all details, run flutter doctor -v):</p>
  <pre><code>[√] Flutter (Channel stable, 2.2.2, on Microsoft Windows [Version 10.0.19041.1052], locale de-DE)
  
  [√] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
  
  [√] Chrome - develop for the web
  
  [√] Android Studio (version 4.1.0)
  
  [√] IntelliJ IDEA Community Edition (version 2020.2)
  
  [√] VS Code (version 1.57.1)
  
  [√] Connected device (2 available)
  </code></pre>