Google Chrome's New Tab Page is not populating the most frequented visted sites grid with anything:
It's been sitting like that1 for months. My work machine populates them fine.
Edit: Google Chrome Version 4.0.249.892
Edit 2: (Possibly related) Chrome is not storing any history
1 I even tried clicking Restore all removed thumbnails
2 Updated to 4.0.249.89 just now. Previous build was 78.