www.htmlexe.com website, or post your questions to the user forum where you can share your feedback.
Always begin a new publication by creating a project in order to keep your settings so that you don't have to configure them again each time.
You can also start a new project by importing an HTML Help file (.chm) using the free CHM To Exe add-on: select "File|Convert HTML Help..." in HTML Executable.
Or if you `have an ebook in EPUB format`, use our free add-on EPub to APP to import it in HTML Executable.
See a video tutorial online about making ebooks from PDF files with HTML Executable