>>>> installed Semantec instead...
>>>>Overkill. Windows 10 includes WIndows Defender. It does pretty much the same thing as third party AV tools.
>>
>>https://www.av-test.org/en/antivirus/home-windows/windows-10/
>>
>>Scroll to the bottom to see where Windows Defender is ranked. Symantec (Norton) scored 100%.
>
>I would never trust tests where Norton scores 100%

I have yet to hear any news of people who have installed Norton Antivirus having trouble with David Hasselhoff attacking their oscillating fan -- so in that case the Norton Internet security software seems to be 100% effective.