Invoke code throw error

[Konrad_Mierzwa]

This is exactly the same issue you have with excel application in this topic:

How can I find the name of all tables in Excel?

Dim excel As Application = New Microsoft.Office.Interop.Excel.Application Dim workBook As Microsoft.Office.Interop.Excel.Workbook = excel.Workbooks.Open(“C:\Users\Aleem Anwar\Documents\UiPath\get all name of table\files\1.xlsx”) Dim workSheet As Worksheet Dim excelTable As ListObject listOfTableNames = New List(Of String) For Each workSheet In workBook.Worksheets For Each excelTable In workSheet.ListObjects listOfTableNames.Add(excelTable.Name) Next excelTable Next excel.Quit [image] …

You have also problem with communication with Word application.
Try to use this repair tool:

Studio - Microsoft Office issues

I suppose you have excel and word installed