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I am trying to build a new computer and run Windows 10 on it. I've run into a snag, and can't get the ISO on a USB flash drive using my Ubuntu 14.04 laptop. When trying to download the ISO onto 16GB USB flash drive I get the following error message: 

Installation failed!
Exit code: 256
Log:
WoeUSB v@@WOEUSB_VERSION@@
==============================
Mounting source filesystem...
Error: File "/media/woeusb_source_1544835295_14348/sources/install.wim" in source image has exceed the FAT32 Filesystem 4GiB Single File Size Limitation and cannot be installed.  You must specify a different --target-filesystem.
Refer: https://github.com/slacka/WoeUSB/wiki/Limitations#fat32-filesystem-4gib-single-file-size-limitation for more info.
Unmounting and removing "/media/woeusb_source_1544835295_14348"...
You may now safely detach the target device

It says the USB is formatted to FAT32 but I have installed GParted and formatted it to NTFS. I've actually formatted it several different ways trying to following other users on here, and I keep getting various error codes when using WoeUSB.

what I am seeing

karel
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Liz
  • 31
  • It's pretty much the same question, but none of the answers listed in that post have worked. It also asks to refrain from asking questions that aren't clarification. Thus I have created a new question trying to get to the same answer. – Liz Dec 15 '18 at 03:37

1 Answers1

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I had the same problem as yours. The following link is a buttery smooth flow to fix this issue. https://medium.com/@codechangetheworld/build-a-bootable-windows-10-usb-in-linux-501f92e346a5

With this flow, I was able to build UEFI bootable windows 10, 1803 Apr 2018 image(~4.3GB) in Ubuntu 16.xx environment. Hope this works for you too...

SolExplore
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  • I think the problem in this question is that a file inside the iso file, install.wim, is too big for the FAT32 file system. And in such cases, the graphical (GUI) version of woeusb does not work, at least one month ago. If I understand correctly, the link you are referring to is using the graphical version. In your case, even if the iso file exceeds 4 GiB, the biggest file inside it is probably smaller than that limiting size. See WoeUSB Error Code 256 with NTFS formatted USB – sudodus Jan 04 '19 at 05:18