[KindleAZWorKFX]

Kindle Previewer 3.42 for Windows 8.1 (64-bit) is out now, and is the only current download when you install it this plugin says , also the epub may have errors that need fixing was wondering if a lot changed from 3.41 to 3.42 or if the errors are just a few ebooks I have not tried all my ebooks , anyway your link to kindle previewer 3.41 now goes to the current version which is 3.42.

Launching Kindle Previewer 3 (unknown_36911048) - CLI
Unknown conversion error occurred -- Retrying
Launching Kindle Previewer 3 (unknown_36911048) - CLI

================================ qqz40z_log.csv ================================

"Error – these errors will block the book from ingestion."
"Warning – these warnings may block the book from ingestion so we recommend fixing"
"ET Errors – these errors will cause the book to not have Enhanced typesetting enabled."
"ET Warnings – these warnings are caused when we ignore a style or construct which is not supported in Enhanced typesetting."
"Type","Description","Source File","Line Number","Recommended Fix"
"Warning","W28001: CSS style specified in content is not supported by Kindle readers. Removing the CSS property: 'max-width' in file: stylesheet.css","","",""
"Warning","W14019: Cover is too small : ","","",""



************************************************** ***********
Python function terminated unexpectedly
{"title": "KFX conversion failed", "det_msg": "", "level": "error", "msg": "<b>Cannot convert ebook name</b><br><br><b>Conversion error:</b> Enhanced Typesetting not supported for this book"} (Error Code: 1)
Traceback (most recent call last):
File "site.py", line 114, in main
File "site.py", line 88, in run_entry_point
File "site-packages\calibre\utils\ipc\worker.py", line 209, in main
File "site-packages\calibre\gui2\convert\gui_conversion.py", line 43, in gui_convert_override
File "site-packages\calibre\gui2\convert\gui_conversion.py", line 28, in gui_convert
File "site-packages\calibre\ebooks\conversion\plumber.py", line 1275, in run
File "calibre_plugins.kfx_output.__init__", line 215, in convert
File "calibre_plugins.kfx_output.__init__", line 297, in convert_using_previewer
File "calibre_plugins.kfx_output.__init__", line 342, in report_failure
calibre.ebooks.conversion.ConversionUserFeedBack: {"title": "KFX conversion failed", "det_msg": "", "level": "error", "msg": "<b>Cannot convert ebook name</b><br><br><b>Conversion error:</b> Enhanced Typesetting not supported for this book"}