Unhandled exception. System.IO.FileNotFoundException: Could

namespace FunctionProject
{
class Program
{
static void Main(string[] args)
{

ReadMailItems();

}

private static void ReadMailItems()
{
Application outlookApplication = null;
NameSpace outlookNamespace = null;
MAPIFolder inboxFolder = null;
Items mailItems = null;

try
{
outlookApplication = new Application();
outlookNamespace = outlookApplication.GetNamespace("MAPI");
inboxFolder = outlookNamespace.GetDefaultFolder(Microsoft.Office.Interop.Outlook.OlDefaultFolders.olFolderInbox);
mailItems = inboxFolder.Items;

foreach (MailItem item in mailItems)
{
var stringBuilder = new StringBuilder();
stringBuilder.AppendLine("From: " + item.SenderEmailAddress);
stringBuilder.AppendLine("To: " + item.To);
stringBuilder.AppendLine("CC: " + item.CC);
stringBuilder.AppendLine("");
stringBuilder.AppendLine("Subject: " + item.Subject);
stringBuilder.AppendLine(item.Body);

Console.WriteLine(stringBuilder);
Marshal.ReleaseComObject(item);
}
}
catch (System.Exception ex) { throw ex; }
finally
{
ReleaseComObject(mailItems);
ReleaseComObject(inboxFolder);
ReleaseComObject(outlookNamespace);
ReleaseComObject(outlookApplication);
}

}
private static void ReleaseComObject(object obj)
{
if (obj != null)
{
Marshal.ReleaseComObject(obj);
obj = null;
}
}

}
}