Hi,
I don't think it is the "tools" fault either. DiapDealer looked at one of the azw books in question and it was so messed-up you could not page through the ebook using the official K4PC software.
Here is his analysis of one of the problem ebooks:
https://www.mobileread.com/forums/sho...8&postcount=12
That "plugin" software does not play with images at all for .azw/.mobi files so I think the ebook itself is probably the issue.