exe run on browser and its not run correctly

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C#

ASP.NET

HI Friends How are yoU?
when i m running my exe from browser it is not working properly. you just see my code
when i run exe from my cmd its perfectly show me browser and google.com open but when i run on browser by
exname:"gau"its not show correctly


first registry value

hkey_class_root
HKEY_CLASSES_ROOT
alert
(Default) = "URL:Alert Protocol"
URL Protocol = ""
DefaultIcon
(Default) = "test5.exe,1"
shell
open
command
(Default) = "d:\.net testing\test5.exe" "%1"

now see my c# code

namespace WindowsFormsApplication1
{
static class Program
{

static void Main(string[] args)
{
if (args.Count() > 0)
{

if (args[0].ToString() == "gau")
{
System.Diagnostics.Process.Start(http://www.google.com);

}

}
else
{
MessageBox.Show("exe without para"");
}
Console.ReadLine();

}
}
}

now when i run exe from my cmd its perfectly show me browser and google.com open but when i run on browser by
exname:"gau" its not show correctly