Error in Process Start -- The system cannot find the file specified

Question

I am using the following code to fire the iexplore process  This is done in a simple console app   public static void StartIExplorer         var info   new ProcessStartInfo  iexplore        info UseShellExecute   false      info RedirectStandardInput   true      info RedirectStandardOutput   true      info RedirectStandardError   true       string password    password       SecureString securePassword   new SecureString         for  int i   0  i  lt  password Length  i            securePassword AppendChar Convert ToChar password i          info UserName    userName       info Password   securePassword      info Domain    domain        try               Process Start info             catch  System ComponentModel Win32Exception ex                Console WriteLine ex Message             The above code is throwing the error The system cannot find the file specified  The same code when run without specifying the user credentials works fine  I am not sure why it is throwing this error   Can someone please explain

User · Answer

You can use the folowing to get the full path to your program like this   Environment CurrentDirectory

User · Answer

Also  if your PATH s dir is enclosed in quotes  it will work from the command prompt but you ll get the same error message  I e  this causes an issue with Process Start   not finding your exe   PATH  C  my program bin  c  windows system32   Maybe it helps someone

User · Answer

Try to replace your initialization code with   ProcessStartInfo info        new ProcessStartInfo   C  Program Files Internet Explorer iexplore exe      Using non full filepath on Process Start only works if the file is found in System32 folder

User · Answer

You can t use a filename like iexplore by itself because the path to internet explorer isn t listed in the PATH environment variable for the system or user   However any path entered into the PATH environment variable allows you to use  just the file name to execute it   System32 isn t special in this regard as any directory can be added to the PATH variable  Each path is simply delimited by a semi-colon   For example I have c  ffmpeg bin  and c  nmap bin  in my path environment variable  so  I can do things like new ProcessStartInfo  nmap    -foo   or  new ProcessStartInfo  ffplay    -bar    The actual PATH variable looks like this on my machine     SystemRoot  system32 C  FFPlay bin C  nmap bin    As you can see you can use other system variables  such as  SystemRoot  to build and construct paths in the environment variable   So - if you add a path like   PROGRAMFILES  Internet Explorer   to your PATH variable you will be able to use ProcessStartInfo  iexplore     If you don t want to alter your PATH then simply use a system variable such as  PROGRAMFILES  or  SystemRoot  and then expand it when needed in code  i e   string path   Environment ExpandEnvironmentVariables            PROGRAMFILES  Internet Explorer iexplore exe    var info   new ProcessStartInfo path

User · Answer

I had the same problem  but none of the solutions worked for me  because the message The system cannot find the file specified can be misleading in some special cases    In my case  I use Notepad   in combination with the registry redirect for notepad exe  Unfortunately my path to Notepad   in the registry was wrong    So in fact the message The system cannot find the file specified was telling me  that it cannot find the application  Notepad    associated with the file type   txt   not the file itself

[c#] Error in Process.Start() -- The system cannot find the file specified

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