Hi Shyam, > The issue: I type my org mode file, and just use the C-c C-e d to export the > org mode document to pdf and open the pdf file. My default pdf reader is > evince. I would like to go back to emacs and make some more changes to the org > document and again do the C-c C-e d. Emacs org mode fails to over write the > pdf since it is already opened in evince and throws an error "permission > denied.. .././../test.pdf" test.pdf is the pdf file that I have opened up.
IIRC Window prevents removing/overwriting opened files. So you can't do anything about it on the Emacs/Org side (aside from killing the evince process before exporting, but that could be cumbersome). Michael