After literally hours of frustration, I stumbled onto this:MrZoldiK said:
I went from 'Control Panel' to 'Default Programs' to 'Set Program access and computer defaults'. There are 3 radio buttons: Θ Microsoft WindowsΘ Non-MicrosoftΘ CustomI chose 'Non-Microsoft', which allowed me to set Google Chrome as my default web browser.I also un-checked the box across from Internet Explorer which said 'Enable access to this program.'
Voilá -- Google Chrome shows up as the default in the 'Associate a file type or protocol with a specific program' screen.
Windows 10: Can't Choose Any Browser To be My Default Browser 
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New 02 Nov 2016 #11
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