How do I launch a program from command line without opening a new cmd window?

Question

I\'m trying to programmatically execute an external file from cmd using this command:

START \"filepath\"

Where \"filepat

Answer 1

Add /B, as documented in the command-line help for start:

C:\>start /?
Starts a separate window to run a specified program or command.

START ["title"] [/D path] [/I] [/MIN] [/MAX] [/SEPARATE | /SHARED]
  [/LOW | /NORMAL | /HIGH | /REALTIME | /ABOVENORMAL | /BELOWNORMAL]
  [/NODE ] [/AFFINITY ] [/WAIT] [/B]
  [command/program] [parameters]

"title"     Title to display in window title bar.
path        Starting directory.
B           Start application without creating a new window. The
            application has ^C handling ignored. Unless the application
            enables ^C processing, ^Break is the only way to interrupt
            the application.