Enhanced Protection mode was off, but I can double check that…

No other security software installed

Windows Defender 8.1 Disabled

(only other security program is Malwarebytes Free version)

Latest beta version installed on 8.1 2014.9.0.2010

Willing to do one more clean install if need be

IE 11 Security settings are Default Medium-High, and Enable Protected Mode Checked in there, and Enhanced Protected mode unchecked…