Hi Lee,
I'm using 8. After I posted my original post, I went on a quest to defeat this problem so here is list of everything I have tried thus far: (but the problem persists)
1. Clean boot - found no issues
2. Ran apps troubleshooter - all is said is "display driver adapters may be out of...
I'm still not sure what happened but a few weeks ago all of my tiles disappeared. I did a clean boot, but did not find any issue. I then refreshed my PC, but the problem still persists. All the apps that I had downloaded before 'the disappearance' are in my windows store as 'already installed.'...