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#11
Look in 'Services' see if there is a skype or skype update entry. If so, set it manual.
I'm assuming you are using Skype for desktop which puts icon in taskbar vs Win10 Skype App from Start Menu but in the screen in post 4, after you un-check "Start Skype when I start Windows", do not restart while still signed in. R-click taskbar icon, then Quit Skype, then reboot. Good Luck
Find SkypeUpdate / Right Click / Properties and check Startup Type. If Automatic change to Manual.
Yes, that is how to change a run setting but Manual SkypeUpdate does not affect Program start. My SkypeUpdate is set to Automatic and Skype does not auto-start at boot hence it reads 'Stopped' under Task Manager Service tab.