I have had the EPUB file type associated with 2 programs for a couple of years - Sigil and the Calibre's Ebook-Reader. Sometime in the last day or two I've lost the Calibre Ebook-Reader association
When I use the OpenWith context menu it only lists Sigil. So I browse to the Calibre 2 folder in Program Files and select ebook-viewer.exe - nothing happens.
Then I recall that I have an...
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