The PC App Store icon is gone completely (as is the Microsoft Edge app and icon), and when trying to open it through 'Search', I receive the following error: 'Problem With Shortcut: The drive or network connection that the shortcut 'PC App Store.lnk' refers to is unavailable. Contact your system administrator about repairing or reinstalling it.' I receive the following error: 'There's a problem with (whichever app). I went back to a previous version of Windows 10 before the corruption, but now NONE of my native Windows10 apps will open. After trying to download 'Windows Essentials', my entire system has been in disarray. After downloading Windows 10, thing worked well for a few weeks.