title: Visual Studio Code extensions disappeared
body: <p>When I start Visual Studio Code (Win10[64bit]), click on extensions overview, all my extensions disappeared. The overview is empty. I also can't load any new ones. But I think all the extensions seem to work. 
  In Addition there is a clock on the extensions symbol and it seems "loading", but nothing happens. Waiting a long time or restart didn't improve anything.</p>
  
  <p>This is my first question, thanks for help.</p>