Check this forum thread out for a solution that worked for me! ...

Check out this link for a solution that worked for me using AVG anti-virus! --> ...

I have this issue with the Store. It opens momentarily, loads with the graphic for about one second, then closes. My DNS client service was not disabled either. Any other suggestions?

On the free upgrade, build 10240, the Windows 10 Store App opens for about a second with the loading graphic, but then closes immediately. I tried multiple ways to open it - taskbar icon, start menu...

Hey guys,

I am enjoying Windows 10! for the most part....

Lenovo Yoga 2 Pro does fine.
Core i7-4500U
256 SSD
8 GB or RAM

This may be more of a networking issue and how the Mail App...