Question

What went wrong with the following code? I like to start a process and update UI when the comprssion is done.

The error is The specified executable is not a valid application for this OS platform.

    string sArgs = "a all.zip a.txt b.txt c.txt";
    ProcessStartInfo psi = new ProcessStartInfo("7z.exe", sArgs);
    psi.UseShellExecute = false;
    psi.CreateNoWindow = false;
    psi.LoadUserProfile = false;
    Process proc = new Process();

    Task t1 = new Task(() =>
        {
            proc = Process.Start(psi);
        }
    );

    button13.Enabled = false;
    Task t2 = t1.ContinueWith((antecedent) =>
        {
            button13.Enabled = true;
        }, TaskScheduler.FromCurrentSynchronizationContext()
    );

    t1.Start();

Answer 1

• Are you running on windows?
• Is 7z.exe in the system PATH ?
• Is the 7z.exe file 64-bit whereas your OS is 32-bit ?