I'd format the external in NTFS .. if it's in FAT.
I've never used Macrium ... I've heard it's good here at TSG
I haven't had any problems with Ghost since I donated it to the local landfill.
I use
Acronis True Image .. The free trial is fully functional for 15 days ...
Better price
Yes .. that was for you .. so we can see what you have running at startup.
Too Much will slow you down .. and introduce you to a nice free utility .. much better than messing in the registry