title: Exception from HRESULT: 0x800A03EC Error while saving Excel file
body: <p>I am saving data on button's click event and below is code:</p>
  
  <pre><code>using Excel = Microsoft.Office.Interop.Excel;
  
  Excel.Application xlApp;
  Excel.Workbook xlWorkBook;
  Excel.Worksheet xlWorkSheet;
  Excel.Range range;
  
  object misValue = System.Reflection.Missing.Value;
  String st = System.IO.Directory.GetCurrentDirectory() + "\\A.xlsx";
  
  xlApp = new Excel.ApplicationClass();
  
  xlWorkBook = xlApp.Workbooks.Open(st, 0, true, 5, "", "", true, Microsoft.Office.Interop.Excel.XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0);
  xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);
  
  int i = 6;
  for (i = 6; i &lt; 10; i++)
  {
      xlWorkBook.SaveAs(st, XlFileFormat.xlExcel9795, misValue, misValue, misValue, misValue, Excel.XlSaveAsAccessMode.xlShared, misValue, misValue, misValue, misValue, misValue);
  MessageBox.Show(xlWorkSheet.get_Range("L" + @i, "L" + @i).Value2.ToString());
  }
  
  xlWorkBook.Close(true, misValue, misValue);
  xlApp.Quit();
  </code></pre>
  
  <p>When I am saving it, it gives me error: </p>
  
  <blockquote>
    <p>HRESULT: 0x800A03EC Error while saving Excel file</p>
  </blockquote>