I tried your advice again and TADAA windows upgraded :D
Thank you sir!

So, I tried installing the new fall creators upgrade, in the end the installation failed as well but final error is different.
First I had a 0x80070002 for WINDEPLOYNow that's a 0x80004005

The...

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So I'm not getting anywhere with Microsoft so far, might have to give them a call eventually.
I followed all your steps as well with the same result, no change in error log or error...

Microsoft comes up with this:
Microsoft Community

Since I already tried my AV by completely uninstalling it, and I doubt that windows defender is incompatible, I guess I should try uninstalling...

I decided to upgrade to the newest bios version. It's just a single version increase and the changelog didn't mention anything about fixing this issue. I tried it anyway.

I also made sure I...

I also received a message from Windows that the newest update is here and ready to install, but that one fails the same way as the manual installer.

My latest log: 149778

It's a lot shorter now because I tried tackeling the issues in the log.
I did the following things:

Uninstalled all Microsoft SQL server stuff (I don't use it anyway)
...

Sorry for being so silent for a while, I didn't have time for trying it again so far.
I'll try uninstalling O&O disk image and maybe some other things it's complaining about.
I've also read...

The setup claims it would do this automatically for me.
Also things are written on the encrypted drive (like logs) so.... I'm not sure it's actually required
I already tried the AV thing

Yeah, that's a LAN, I've a BCM4360 apparentlyThis guy: windows 10 creators update rampage v extreme event id 34 manages to install creators update (albeit with a clean install) on the same...

I do have a broadcom wifi chip in my motherboard though. I've disabled it, because I'm not using it, but I can't exactly unplug it right. Or would a driver uninstall work?

Ok, when using the media creation tool installer again I get this message after the revert:

0xC1900101 - 0x30018
The installation failed in the fase FIRST_BOOT with an error during the...

Sure, I've "Active & System" instead of "Active & Boot" and "Boot" on my c: drive instead of "System".
I never messed about with partitions however: I just installed windows 8 the way the installer...

Partitions:
147777
I'm using bitlocker btw

SSD's report back 100% healthy status in SMART and self checks also ok
checkdisk no issues
sfc scannow also no issues, I've done that already btw
I...

Hi,

At the moment I'm on Windows 10 pro version 1607 with all normal updates installed. I upgraded my Windows 8 back when the free upgrade started, all upgrades went great up until now.
I'm...