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					Originally Posted by cybmole  I have an epub which looks fine in ADE, but sigil cannot open it.
 the error detail is:
 Cannot extract file: META-INF/
 
 is there a simple workaround ?
 
 PS it opens OK in calibre viewer, I expect a convert epub to epub in calibre will fix it but I'd like to know how to fix it with only sigil if possibl'
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 Calibre is more forgiving of incorrect EPUBs
Use (Calibre) Tweak EPUB to check it (also check it was not (incorrectly) write protected)