Double-click the excel document and the "problem occurred when sending commands to the program" error is fixed.

In the morning, the user reports that after the OS update is installed, the "problem occurred when sending commands to the program" error will occur when double-clicking all Excel files.

If Office2007 is reinstalled, it does not work. I searched the internet. The solution is: first run Excel2007 and open the Excel option.

Go to the "advanced" tab, remove "ignore other applications using Dynamic Data Exchange (DDE)" in "regular", click "Close EXCEL2007", double-click any xls file, and OK

This article is published by Windows Live Writer 2011.