This once happened to me BUT in playstore and I tried this solution: https://www.youtube.com/watch?v=bOa54IXcvaM It's the same "connection" problem so maybe it might help.
I currently have 3 separate programs. All can be reached/used by just hotkeys. No opening of any program.
1. The first one captures a region of the screen and saves it somewhere. (FastStone)
2. The second one captures a region of the screen BUT just copies it to clipboard. (Built in Screen...