If it is a case of CHS still running, but the icon is not displaying, then it might be worth getting Restart Explorer
by Lee Whittington - it's part of Ultimate Windows Customizer
from Windows Club
I used RE in Win7-64 when stuff was not showing in the Systray - which was a recognised bug in Windows Explorer, it seems.
Anyway, just that one little executable fixes the Systray items non-display problem, and I still
use it to good effect in Win10-64 PRO. This is a workaround to fix the recurring symptoms, not a fix for the bug per se.
There are various other ways to force Explorer to restart, but some of them don't necessarily get priority and so a wait/delay ensues once you start to execute them. However, I found that RE would consistently
take priority, shut down Explorer and restart it quite expeditiously - and the Systray icons would all come back tickety-boo. So it's brutal and effective.EDIT:
I just had to use RE now (several Systray icons had disappeared again) and it worked a treat - they are all back again.