dandv 0 Report post Posted February 17, 2006 (edited) In NDN.EXT I have: pdf {"C:\Program Files\Adobe\Acrobat 7.0\Reader\AcroRd32.exe" "!:!\!.!"} In NDN.VWR I have: pdf: "C:\Program Files\Adobe\Acrobat 7.0\Reader\AcroRd32.exe" "!:!\!.!" In NDN.EDT I have: pdf: "C:\Program Files\Adobe\Acrobat 7.0\Reader\AcroRd32.exe" "!:!\!.!" When I press Enter of a PDF, NDN correctly launched Adobe Reader. When I press F3 or F4 on the same PDF, cmd.exe returns the following error: 'C:\Program' is not recognized as an internal or external command, operable program or batch file. Edited February 17, 2006 by dandv Share this post Link to post Share on other sites