Autoruns lists everything that loads during the boot-up sequence.
You ought to treat the listed procedures with a great deal of respect.
You might care to read this extract from George Ou's article:
[i]Note #2
It appears that some people may be having problems even with legitimate software. After checking with
master programmer and Technical Fellow Mark Russinovich of Microsoft (formerly SysInternals), it appears
that some people might be running device drivers that haven?t gone through WHQL (Windows Hardware
Quality Laboratories), which means that Autoruns will not hide it from the user. If those unsigned drivers
get disabled by the user, Windows may get a BSOD or have certain devices like keyboards fail on startup.
Ideally, users should never trust unsigned drivers, but it?s an unfortunate reality that we have to deal with
sometimes.
In the event that you disable everything unsigned (unauthorized) by Microsoft and have the misfortune of not
being able to boot Windows, you will need to go in to Windows using the F8 during startup with either the Last
Known Good or safe mode. Last Known Good should put your computer back the way it?s supposed to be, but
if that fails, you?ll need to go in with safe mode and re-enable everything in the Drivers tab of Autoruns. If you
want to play it safe, you can leave everything in the Drivers tab enabled, but ideally you shouldn?t need
anything checked that isn?t authorized and signed by Microsoft. Russinovich also did a Webcast last year
where he used a combination of Autoruns and Process Explorer for ?Advanced Malware cleaning,? and I highly
recommend it.[/i]
This recommendation should return your system to fully working order.