Why does Windows Service not launch external App?

Question

I am trying to get a Windows Service to launch an external application. When I start my service it doesn\'t load the application up.

There are no errors reported in the

Answer 1

Enclose this code in try-catch and add a small trick which allows you to attach the debugger to the service. It is likely to be a permissions problem, but you will get it in the catch block

protected override void OnStart(string[] args)
{
    Debugger.Launch(); //displays a pop up window with debuggers selection

    try
    {
        App.StartInfo.FileName = @"C:\Program Files (x86)\SourceGear\DiffMerge\DiffMerge.exe";
        App.Start();
    }
    catch(Exception ex)
    {
        //see what's wrong here
    }    
}