Man, you are a hero.
I hadn't heard anything about it, but that has to be it no doubt.
I had been tearing my hair out over this.
I'll see if that KB can be uninstalled, or just wait for a fix....

What I'm saying I'm currently on Insider, which does throw an error when trying to access safe mode, but I did try the latest build from the release channel and it took just as long to start.

Hi there.
Thanks for the reply.
When I mentioned installing a release version of Windows I meant one from the release channel, which is currently build 1909.
That one does the same thing.

Hi everyone.

I had this PC for the longest time, and everything seemed fine until a couple months ago I started having this issue, which I hope you may be able to help me with.
The thing is, in...

Thanks for the reply.
I checked another downloader and it's failing too, with HTTP error 500.
Maybe the servers are out for lunch?

Trying to download the UUPs for the latest Fast Ring build (18875) is throwing the following error. Any ideas?

Error
---------------------------
Failed to get list of available files. Selected...

For the longest time, UUP2ISO has had this strange behaviour where it gets stuck and we need to blindly press the e key to have it resume operation.
Probably some internally-called program...

I'm creating the ISO for build 17093 with no issues, but upon booting it, the installation goes straight into some bizarre keyboard layout selection screen, and after that you're sent to a screen...

Does anyone know what's going on behind the scenes when UUP2ISO gets stuck and you press E to get it to continue?
I've encountered this in a number of situations and I don't think I've had any...

That wasn't a fluke.
Your post just saved me from the same thing happening to me on build 17074 (had never happened to me before and I have probably created ISOs for every single build that has been...

Is there any way to specify command line arguments to the utility to have the conversion performed unattendedly from a batch file?

Has anyone managed to get UUPs from build 16226?
I'm only getting an unpacked Windows installation disc structure in Windows.~BT but no UUPs or ESDs in SoftwareDistribution.
Any ideas?

Guys, I found out a workaround (just registered to post it).
CTRL+ALT+number doesn't work, at least for me.
What does work though, is, if you want to press, say 3, first press CTRL+3, let go, and...