Windows app store is one of the most prominent features in the Windows that you use to install various applications or programs any time. Here you will get the most compatible and latest version of Windows apps. However, sometimes it also creates some issues that make you much annoyed. While you upgrade your older version of Windows OS to the Windows 10, you will see a very critical issue i.e. Windows app store doesn’t load after Windows 10 upgrade issue. It is really a very vicious issue and you should go with some manual or automatic error fixing methods to fix the problem. You can also fix this problem automatically only by using Advanced System Repair tool in Windows.