The mso9.dll apparently is particularly prone to getting corrupted, and it usually causes troubles in PowerPoint, Word and Outlook rather than in Excel. There is a way to repair such corrupted files ...

If you are experiencing the Download did not complete error message in Microsoft Excel, here are the troubleshooting methods to fix the error: Perform preliminary ...

It is the very first thing you must check before doing anything else. If the corresponding Workbook is unavailable or not selected when compiling the VBA script ...