c# Extracting Rar File,Facing Error while Decompress a Rar

It shows a Invalid RarHeader:16 ,I also try in Nunrar,sevenzip extractor,chilkat,It shows the same Error,But it Extracted in Winrar and 7zip softwares

 

String filename = @"" + textBox8.Text;

string ppath = @"" + System.IO.Path.GetDirectoryName(textBox8.Text) + "\\" + System.IO.Path.GetFileNameWithoutExtension(textBox8.Text);

System.IO.Directory.CreateDirectory(@"" + ppath);

try

{

var archive = SharpCompress.Archives.Rar.RarArchive.Open(filename);

foreach (var entry in archive.Entries.Where(entry => !entry.IsDirectory))

{

entry.WriteToDirectory(ppath, new ExtractionOptions()

{

});

}

}catch(Exception ex)

{

textBox10.Text = Convert.ToString(ex);

}