Post Grid Non-Editable and Will Not Refresh

I recently downloaded Post Grid to create a simple grid which will display post content for prayer and praise requests on our church website.

The free version was working fine for us, except for two very frustrating issues:

First, once a grid is created, I can no longer access any of the tabs beyond the initial tab of the editor. When I go to the list of grids and click Edit, the first tab I see is Query Post. When I click on Skin & Layout, Layout Settings, etc...nothing happens. I can't access any of those tabs after the post grid is initially created. I just have to make a new grid. I've tried on multiple browsers.

Secondly, and even more frustrating: no matter what I do (I've created multiple grids and posted the shortcode on multiple pages, both old and new), the grids never grab new posts automatically. Every time a new post is created, I have to manually go to the page where the grid is displayed via shortcode and click Update. Even though I've not actually changed anything about the page, when I click update, all new posts show up.

I purchased the paid version of the plug-in hoping that this would fix it, but it did not. Don't need the paid version... only creating one simple grid.

Any help you can provide would be greatly appreciated.