Cumulative Update KB4464330 Windows 10 v1809 Build 17763.55 - Oct. 9

Same here fail then install, on two PCs haven't done number 3 yet, was very quick install though.

Well, al checked up and it went ok.

Boulder said:

>> Windows cumulative updates require that you install the latest servicing stack update (SSU) for your operating system beforeinstalling the latest cumulative update (LCU). This helps to mitigate potential issues while installing the LCU. For more information, see Servicing stack updates . <<

What on earth is that supposed to mean to the average user? So if I don't perform aforementioned gobbledygook, I can expect more potential issues?

I think the Servicing Stack is the thing which actually installs the updates. So it's to update the update updater.

There was a problem recently where some organisations hadn't installed a Servicing Stack Update a while back, because it wasn't marked as a security issue, but then because the Servicing Stack was out of date, couldn't install a recent security fix so were potentially vulnerable. (This is off the top of my head, but it was something like that.)

So MS are keen for people to be on the latest Servicing Stack Update.

clam1952 said:

Same here fail then install

Same here. Very amateurish all the same (to say the least).

Wiley Coyote said:

This is just me guessing, but today's 1809 Update is certainly smaller and quicker then the original 1809 last week. That one took forever and today it was over in a matter of a few minutes. Other than it takes two try's to install this one, I can't find a problem with it yet. But then I've only had it two hours now.

That's because the 1809 released last week was the Feature Update. Due to the infamous bug, it has been put on hold. Today's release is NOT 1809, it's a CU FOR 1809, for people who are already running it.