Try removing the video card and use the one Built-in to the motherboard. I did this for a friend of mine and it worked. Once it takes the update reinstall your old video card.
Upgrading ASUS CM6870 to Windows 10 Creators Edition or April 2018 release 1703, 1709, 1804 (RT3090 PCIe wireless card)
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Anonymous
This was a pain for me, so I hope this helps someone.
I made 15 attempts to update my ASUS CM6870 from the Windows 10 Anniversary Edition to the Creators Edition (Creators Update), I *always* hung hard around 40 or 42% after the first system reboot, with the 'rolling' animation ground to a halt. This almost always points to a hardware problem.
I did everything to find the bad hardware! I disconnected all of the USB, ripped out all of the superfluous drivers, did a clean reboot, did a driver uninstall on my NVIDIA drivers using DDU, and uninstalled every program that had a funky driver like the VMWare standalone converter and my Cisco Anyconnect VPN. Nothing worked.
Each reboot reported "0xc1900101 - 0x30018 the installation failed in the FIRST_BOOT phase with an error during SYSPREP operation"
Digging into the clues from files left behind in C:$WINDOWS.~BT\Sources\Panther, I saw that the last thing before failure was a bunch of SPPNP messages which seems to be the SYSPREP driver loading phase. There were also a bunch of <NUL> characters at the end of the file. Some piece of hardware was refusing to play nice. I had painstakingly removed everything I could without opening the case.
Finally, based on various hints on forums, I cracked open the PC and pulled out my PCIe wireless card. Boom. Fully installed.
The Wireless card was a PCIe x1 in a PCI x16 slot if that matters, and it was the ASUS branded MediaTek Railink technologies RT3090 wireless card.
(PCI\VEN_1814&DEV_3090&SUBSYS_760111AD&REV_00)
Once the Creators Update was installed, I was able to reinstall the card without incident. Go figure.
Edit: This problem probably applies to any system using a P8H61 or P8H77 motherboard. According to this thread, the P8H77-M PRO (CM6870) is affected, as are other ASUS desktops like the ASUS CM6730 with a P8H61‑M PRO with that RT3090 wireless card.
Other commenters report that the ROG CG6480 / TYTAN CG8480 and CM1855 are also affected, presumably also with the errant RT3090 card.
I also observed the problem with an Ascend Ascendtech WN7601R-H1 PCI card in HP desktops. This is also an RT3090 PCIe card.
Commenter Chris Deer reports that he also had the problem with the Acer L4610, L4620, and L480, possible other Acer "L" models.
The Fall Creators Edition and April 2018 update also have this problem, so the installer is not yet fixed to place nice with the RT3090 wireless card.
One commenter noted that moving the card from a PCIx16 slot to a PCIx4 slot also fixed the problem, so it may be an interaction between the card and the northbridge (motherboard chipset) in certain slots.
EDIT: WARNING: Be careful removing and re-inserting the wireless card; make sure the power cord is removed from the power supply. The sound card chip is right at that slot and I damaged it, so now my system no longer recognizes when speakers are attached. Looks like I scratched a trace on the motherboard. I know it is a hardware problem because booting a Linux Live USB showed the same problem.
Windows for home | Windows 10 | Windows update
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Anonymous
2018-05-07T22:29:30+00:00 -
Anonymous
2018-05-07T22:22:12+00:00 Is anyone having trouble installing version 1803 on their ASUS CM68xx? Mine keeps prompting me to restart to finish installing, but then says it couldn't complete it.
I removed the wireless card, so that isn't the issue. I've attempted installing 1803 multiple times over the last week without success...
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Anonymous
2018-05-05T20:10:02+00:00 Yes googling a image the card looks pretty much the same in layout (the only difference is a couple of the components on the board are in different positions) . Also found a picture of a Addon Technology NWP201E Wi-Fi card on Amazon uk that looks exactly the same as the Asus card except it shows Addon instead of Asus on the card so both cards could well be the same manufacturer as well (it may be my card is a slightly different/older version of the NWP201E or WN7601R-H1 Wi-Fi cards). It could be that Wi-Fi cards in some Gateway, HP and some other PC makes either have the same chipset or the cards look similar/the same (the only difference being they put the PC makers name on the card).
Have also found mention of the WN7601R-H1 card may be refered to as the Wn7601r-h1 ASUS Anatel Rt3090pcie-c1 WiFi Adapter which ties up to the Anatel Wi-Fi card mentioned to caused the upgrade problem on Gateway PC's
Through some searching found in 2011 MediaTek acquired Ralink (I believe Mediatek was mentioned in my Wi-Fi card drivers).
Microsoft need to issue some advice about these cards or fix the problems these cards cause with the update as I have seen many posts (over multiple threads) on this forum where the wi-fi card has been the cause of the update failing and Windows 10 users are spending considerable amounts of time trying to update their PC's because of this.
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Anonymous
2018-05-05T18:26:54+00:00 it's probably based on the RT3090 chipset. The card is laid out identically to my WN7601R-H1 card in my ASUS, which is the troublesome card.
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Anonymous
2018-04-22T15:00:07+00:00 I had another brand of Wi-Fi card causing the update to fail
Had my windows 1709 upgrade failing at 45% (also failing at 75% and 81% if upgrading via ISO disc) and I eventually found through forum posts it was caused by the Wi-Fi card plugged into my PC. I unplugged the Wi-Fi card (when PC was powered down) and it upgraded ok on the next upgrade attempt
My Wi-Fi card on my Zoostorm PC showed Ralink in device manager ((Addon is also shown on the card itself & the model number is NWP200Ev4). Other threads mention Amtel Wi-Fi cards (may be fitted to some Gateway PC's)causing the same problem.