why do i get this error when i update ID 10010 ?

Hi
i have windows8.1 pro 64bit legit and activated

i did notice that when i did perform an internal update i got these errors

source Microsoft-Windows-RestartManager
id 10010
google translated

Unable to restart the application 'C: \ Windows \ explorer.exe' (pid 1700) - 1.

Click to expand...

but not only 1 error but several
'C:\Windows\System32\taskhostex.exe' (pid 1616) - 1.
'C:\Program Files\ESET\ESET Smart Security\egui.exe' (pid 3932) - 1.
and so on almost 20 errors


thanks