The little yellow box with a scroll icon inside is most likely a hyperlink. It's possible that someone accidentally created a hyperlink in the spreadsheet and it's now appearing as a yellow box with a scroll icon.

To delete the hyperlink, you can try the following steps:

1. Right-click on the yellow box with the scroll icon.
2. Click on "Hyperlink" from the drop-down menu.
3. In the "Edit Hyperlink" dialog box, click on "Remove Link".
4. Click "OK" to save the changes.

If the above steps don't work, you can try deleting the entire row or column that the yellow box is in. To do this, right-click on the row or column header and select "Delete". This should remove the yellow box as well.

If the yellow box still persists, it's possible that it's a glitch in Excel 2002. In this case, you may want to try closing and reopening the spreadsheet or even restarting Excel. If none of these solutions work, you may need to seek further assistance from Microsoft support.