C# - Access Denied Windows Files

Question

Hello I am making a software capable of scanning certain Windows files, where in it I leave filtered certain types of extensions, however, by placing to scan the following access message denied in certain folders.

The code would be as follows:

DirectoryInfo dir_Local = new DirectoryInfo(tb_UnidadeHD.Text);

string[] extensao = new string[] { "*.WsF", "*.lnk", "*.vbs", "*.vbe", "*.js", "*.com" };
string[] dir_Info = Directory.GetFiles(tb_UnidadeHD.Text, extensao.ToString(), SearchOption.AllDirectories); ;            

try
{
    foreach (string procura in dir_Info)
    {
        lb_Arquivos.Text = string.Format("Escaneando: {0}", procura);
        string result = ScanForVirus(procura);

        if (!dir_Local.Exists)
            MessageBox.Show(string.Format("Diretório de origem não existe ou não pôde ser encontrado: {0}", dir_Local), "AlegoTools", MessageBoxButtons.OK, MessageBoxIcon.Error);
        else
        {
            if (result != string.Empty)
                listBox_Files.Items.Add(result);                            
            else
                MessageBox.Show(string.Format("Não foi encontrado nenhum vírus em {0}", dir_Local), "AlegoTools", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
    }
}
catch { }

If you can give me a light, because I tried other means but without success, it simply can not scan certain parts of windows, even being as admin, shows as if it is without access by the program, and it is configured to run as administrator

Answer 1

Apparently and only a folder permission issue, you can try to check the permissions by accessing the properties on the security tab you can check the folder permissions.

Example

Treating the exception

As the user does not have access to the way and notify him about his permission and if that is the case allow access to it the desired folder.

Code

catch (UnauthorizedAccessException ex)
{
  MessageBox.Show("No Momento Você Não Tem permissões para realizar esta operação , Contate o Administrador Do Sistema  ! Detalhes : " + ex.Message, "Alerta ", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}