I'm having the same problem. I can't launch BFD3 in standalone mode. It's in 64 bit mode. I have all the mentioned .png files. I moved the BFD3 folder from (library - Application Support - fxpansion) to my desktop. I tried to launch BFD3 and it was asking for the folder, it didn't offer to create a new folder. I've uninstalled and re-installed it and it still won't launch in standalone mode. I get an error and it crashes. Here are my logs :
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