Quote Originally Posted by Pete Burns View Post
My understanding (which I have just checked on the internet - so still no guarantees!!) is that the Startup Impact is a measure of the Performance impact of each particular startup to the overall startup time. So there is NO view on what can or can't be disabled 'safely' without checking on the internet. However if you are suffering from slow startup times, then the entries you want to look at first are the high impact ones.
The only item I have enabled in my Win 10 Start-up is for the Realtek HD Audio Manager and that has a High rating.