When I switch from default theme to no theme support, I get plenty of invalid string errors. Not a big deal, since it works fine with theme support enabled, but you might want to fix it 
tested @windows 7 prof x64. Winreducer ex100 0.7.5.0 , Windows10_InsiderPreview_CoreSingleLanguage_x64_en-us_14342 image

tested @windows 7 prof x64. Winreducer ex100 0.7.5.0 , Windows10_InsiderPreview_CoreSingleLanguage_x64_en-us_14342 image