I search and found nothing about the windows update icon in Windows 10 RS3 Professional ... except maybe you used "Tweaks - Classic GUI - Enable Classic Windows Update UI" ?
Could you please check in EX-100 "Tweaks" tab if you activated this component ?
_________________Kind Regards,
winterstorm2050Last edited by winterstorm2050 on Tue 7 Nov 2017 - 20:01; edited 2 times in total