@jlutes - you need to figure out which book and format is causing your issue. My guess would be that is a problem with a PDF since that sort of crash is likely from C++ unmanaged code (which the PDF conversions use). If you find the book causing the crash, attach it with a bug report for Kovid to take a look at. There is nothing I or the plugin can do about this, it is calling existing Calibre code.
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