Can't use ArmorPaint?

i been trying to get armor paint for a few days it wouldn’t let me buy it…now i have purchased it but every model i imported the program just closes the second i hit import or drag and drop …is there a work around or something ?..i tried 4.0 and 3.0…was really exited to use this software!

@lubos any ideas? …

I have to load them using the library the drag and drop does not appear to work, using Debian Linux

i couldent load whit ether