Describes the cause and action for error messages.
Error Message(English)：
unable to remove picture
How can I remove this image in Excel? - Super User
https://superuser.com/questions/1171386/how-can-i-remove-this-image-in-excel
Deleting multiple selected rows in Excel
https://superuser.com/questions/506006/deleting-multiple-selected-rows-in-excel
worksheet function - Excel wont delete content ...
https://superuser.com/questions/1118036/excel-wont-delete-content-from-a-cell
vba - Quickly delete all floating picture in Excel sheet
https://superuser.com/questions/885799/quickly-delete-all-floating-picture-in-excel-sheet
How to delete all pictures, shapes and objects in Excel - YouTube
https://www.youtube.com/watch?v=Ly9uvCmmmSM
https://www.youtube.com/watch?v=Ly9uvCmmmSM
Excel header and footer: how to add, change and remove - Ablebits.com
https://www.ablebits.com/office-addins-blog/2018/01/18/excel-header-footer-add-change-remove/
Unable to delete sheet from excel and it even gives no error using ...
https://stackoverflow.com/questions/6839708/unable-to-delete-sheet-from-excel-and-it-even-gives-no-e・・・
Remove Objects from Worksheets in Microsoft Excel - Office Articles
https://www.officearticles.com/excel/removing_objects_from_worksheets_in_microsoft_excel.htm