[Warner306]

This sounds like a focus issue where something else in Windows is stealing focus away from Kodi. I don't know the exact origin based on that description, but one thing you could try is to install Lancher4Kodi and set Kodi to constantly refocus every few seconds.

It is a simple program to install and use. You would have to search through the menus to find the focus option and try experimenting with it:

136798 (thread)