i have received 2 pdf files in a single email.
i have downloaded 2 pdf files from yahoo mail, first individually and then both of them in a single zip file yahoo mail option
however i am unable to open both files in Acrobat reader DC and Foxit Phantom PDF Reader,
i have installed latest...
this article solved my problem
Fix "The request failed due to a fatal device hardware error" - EaseUS
i didnt try the Free data recovery software
i tried both chkdsk commands given at the bottom of article.