hi boy . i have test your new version with my framework i have 1990png and i use your soft (win 7 64bits ultimate) with XHDPI to MDPi i have 1039png in finish folder .:/
where i can found logcat ?
Edit second test i have 1539 png lol
Does it happen every time? Try using less pngs. maybe it doesn't have enough memory to perform all the resizing and saving..
When you choose less pngs, for example 100, does it happen too?