I have already seen & tried all existing questions related to ADB not responding
and yet I have been unable to fix my problem.
This is the message I keep getting in Android Studio:
And here are the running processes in my Task Manager:
Can someone guide me as to what I can do in this situation ?
On of the running apps on your PC is preventing ADB from functioning properly. In my case, I shut off Norton, Bluestacks, Kies, and then ADB worked properly. In your case it looks like the Device Association Framework
that seems to be interfering with ADB.
ADB normally works well in conjunction with ONE application at a time: either Android Studio or something else.
Also, update your SDK.