I’d like to second that. Utterly smooth update process (I took the gamble of doing it through the GUI) and 2014 is working with no problems on my x64 Win 7 computer. It’s also fixed a variant of the black screen problem which I’ve experienced since Avast 7. It was never a critical issue for me - my laptop always started - but there was regularly a prolonged black screen delay between the welcome screen and the appearance of the desktop. With v9 the system start-up is much, much faster. Well done Avast!