In the scheduled backup tab, a few of the schedules show Status: "Start Missed - Will Be Run", Last Result: "In Progress". However when I bring up the backup window (Ctrl-Alt-M), there is nothing in progress. It has been this way close to a week now. 
I have tried the following:-
- Cancel Running Task -No response
- Disable & Re-enable Task -No difference
- Turn it off and on again (restart PC) -No difference
- Edit schedule -Got a "Reflect is busy. A backup or restore operation is currently running"
 
I am using Macrium Reflect Home Edition v7.3.5758 on Windows 10

How to resolve this?

Update

Somehow this time around Macrium's backup process shows up Windows task manager. Randomly ended the tasks managed to somehow force it to actually run. This happened a few more times until again somehow it resolves itself.