Cant work with the second form because of an error

i just code a program and completed. In my second form there is a shockwave which will show some videos in youtube. when i run program in the Visual studio, there is no error and bug and i can work with it so easily but when i extract and create install .exe and install the program on the PC there is an error like this. let me show you my error : Click here to see my error

I already added adobe shockwave and Adobe flash player in Prerequisites in advance installer that when user wants to install this program first of all the program will install those programs. but again this error make me angry. i didn't put any code that i think will help on this section. but i will put my ShockWave code here:

        private void btnYoutube1_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/GDQGCDU8jUo");
    }

    private void btnYoutube2_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/dJVcNN8LuHw");
    }

    private void btnYoutube3_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/Nt6H_tZEDTc");
    }

    private void btnYoutube4_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/AD02jC7vGQ0");
    }

    private void btnYoutube5_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/oIHfKVvtoj8");
    }

    private void btnYoutube6_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/MAjU7GSESHo");
    }

    private void btnYoutube7_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/YIwhrJgPzDE");
    }

    private void btnYoutube8_Click(object sender, EventArgs e)
    {
        axShockwaveFlash1.Movie = ("https://www.youtube.com/v/_QP9XuKaL9Y");
    }

If you need any extra code let me show you. Thanks in advance for your answer.