A little belated, but I just noticed the Bricks 'n' Tiles site suggests setting the application to use Windows XP Compatibility Mode* should it fail to run under Win7 or higher.
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* Go to the directory where you installed the executable and right-click on the .exe file. Under the 'Compatibility' tab, check the box for "Run this program in compatibility mode for" and select "Windows XP" in the drop-down box. As always, Your Mileage May Vary.