Hi I'm trying to open a file located on my server. My server's name is omni this works when i want to open a file located on my computer : Runtime.getRuntime().exec("cmd /c start c:"+File.separator+"sdiack"+File.separator+"java"+File.separator+"timesheetserver"+File.separator+"feuilledetemps.html");} this does not work when i try to open a file located on server omni : Runtime.getRuntime().exec("cmd /c start omni:"+File.separator+"test"+File.separator+"files"+File.separator+"dir1"+File.separator+"file1.html");}