*SOLVED* Problem installng Windows on VM, error 0x80070570

Apps and Virtualization
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1

Running a TrueNAS 25.10.2.1 - Goldeye on an older machine.
CPU: i7 2600K
Motherboard: Asus P8P67
32GB RAM

Whenever I try to install Windows on a VM it stops at 87% of windows extracting files throwing this error, 0x80070570.

I have tried several different ISO’s (2-3 different WIN7, and Win8, WIN10 and so on) and they all crash at the same point so I’m pretty sure I ruled out the ISO itself.
Used AI help to try all kinds of different settings (for the VM itself), making sure its 512 sector size, different cpu/mem configurations, different ways of attaching the iso/location of iso, Tried alot of different settings in bios (on the actual machine that runs TrueNAS), but I keep getting the same error. Been at it several evenings now and I’m getting absolutely nowhere with it, any tips or inputs is highly appreciated.

EDIT: tried to add a screenshot on error but couldn’t add image to post?

2

Are you using virtio? Have you tried AHCI?

Maybe try a different approach, i’m pretty happy using Windows inside a docker container. First setup Is very easy, but if you want a dedicated ip you have to create a macvlan (2 if you want to reach your truenas) via shell

3

I’m using AHCI.

I might have to, but I really want to try and figure out whats going wrong here.

4

Only things come into my mind, if not already tried

Is to try to select virtio, not attach the ISO in the first wizard, and then add the ISO and the virtio drivers before first boot. I vaguely remember to have read something about in other post… So take this with a grain of salt (at least you have wasted another attempt :smile: )

5

I finally came to the root of the problem and think a little report is due in case anyone else actually runs into this.

I tried almost every setting possible, but its the language on the ISO. I tried 3 different versions, all verified working installs, but swedish, will not pass installation on the VM. A english/US iso however, no problem at all. Tried to verify as much as I could, doing it on both VirtIO an AHCI and a bunch of other different settings, but no matter what US/english install always worked, and any of the SE ISO’s always failed (again three different versions, 1 prof., 2 ultimate, one of them SP1 the other one fresh rip from an original DVD)

I have only tried this with SE and US Iso’s, but I’d guess its in place for a fair warning that other languages could have the same problem. So stick with the US/english ISO and add your languagepack after install if you run into this problem (installation crash at 87% of windows extracting files).

This is with a Win7 ISO, but I had the same problem with both W8 and W10 ISO

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