EndNote 20 cannot open Word File Attachment where there is also an attached PDF

A record has a PDF of a document (made from images of the pages) and a Word document, which is a transcript. The PDF was added first. Now, I cannot open the Word document. I highlight it but whether opening it using ‘open’ or ‘open with Word’ it is not the Word document that opens, but the PDF. Deleting the PDF allows the Word document to be opened, but after undoing the deletion of the PDF the problem is there again. Reverting to X9. 

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In my observations, EndNote 20 cannot open ANY attachment where there is also an attached PDF. This worked fine in older versions. Even a second PDF such as an article supplemental info file doesn’t open. C’mon Clarivate, test thoroughly before releasing