It will take me some time to digest all this. However I did try some things and I ran sfc (I do not understand DISM at all) before I got this post. The results were that it found a number of...

I did run application identity and I think it was not running. It is now running but store still did not open.
I then downloaded ADX and ran app store analyzer. It indicated 2 errors. Since this...

Dalchina:

This is an upgrade win 10 from 7.

Actually I did not find Up and Running Tech Calgary as it is a store issue and start does work as well as edge. I did try reregister
...

Store (windows app store) and various apps do not open from the start menu. Store will also not open from search box. It just flashes on the screen, but does not open. Apps- such as 3D builder,...