How to fix „There was problem sending the command to the program“ error

Bugfix solved how to fix there was a problem sending the command to the program errorThis article is about how to fix the annoying „There was problem sending the command to the program“ error, which may occur in various Microsoft Office products. Yes, the title of this article is bulky – but it hits the core.
This error can occur in various Office products such as Excel, Word or PowerPoint and shows as follows: For example if you try to open an Excel file by double-clicking the Excel application starts, but displays the error message instead of the file. However, opening the file from Excel via „File -> Open“ still works.
Error sending the command to the program