You can access configuration form for krd throw the action in the Edit menu.
The configuration form is organized in tabs each one cotaining settings about an aspect of krd.
In the general tab you can choose to don't display the main form at startup and if showing a message if a connection ended with an error.
Custom Programs Tab
If your rdesktop or vncviewer or ssh executables aren't in a directory listed in PATH evironment variable, or if you want to use customized programs with some particular name, set here which files to use.
Remote Configuration Files Tab
If you want to use a global configuration for krd, you can use this tab to set the host and path in which krd will search for configuration files at startup. krd will copy files using scp.