Installing the new Insider Preview of Windows 10 - 4

The experience has been subpar. In addition to the various things in the preceding 3 posts,

• I also find that items from the Favorites are wiped clean. I had tons of stuff, all gone.
• The Downloads folder has been emptied out too. I had three important downloads, all of them gone.
• Every time I boot, 'Preparing Windows ' comes up. It used to be the first time after an update.
•  (Good news) Some of the apps have started working, Calendar, Photo, some games, Skype (very slow to load), calculator, Microsoft store.
•  I had many example apps created for my posts and they do not function (the ones inside yellow rectangle). Well, this may not be the Windows problem, rather the problem of Visual Studio which is presently being triaged at Microsoft.
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Previous posts regarding this issue are  here:

http://hodentek.blogspot.com/2018/08/installing-new-insider-preview-of.html

http://hodentek.blogspot.com/2018/07/installing-new-insider-preivew-of_30.html

http://hodentek.blogspot.com/2018/08/installing-new-insider-preview-of_4.html