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Generating a bootable Windows ISO from a folder on Ubuntu

Generating a bootable Windows ISO from a folder on Ubuntu

E
evogeli
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11-28-2025, 03:42 PM
#1
Hi! I think the post is in the right spot, but let's clarify things. You're using Kubuntu 24.04 and trying to make a bootable Windows ISO for VirtualBox. The main challenge seems to be getting the image to boot properly after modifications. Have you checked if the ISO file is correctly formatted or if there are any corruption issues? Also, ensure your VirtualBox is set up to handle Windows ISO images. If you're still facing problems, let me know more details about the steps you've tried so far.
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E
evogeli
11-28-2025, 03:42 PM #1

Hi! I think the post is in the right spot, but let's clarify things. You're using Kubuntu 24.04 and trying to make a bootable Windows ISO for VirtualBox. The main challenge seems to be getting the image to boot properly after modifications. Have you checked if the ISO file is correctly formatted or if there are any corruption issues? Also, ensure your VirtualBox is set up to handle Windows ISO images. If you're still facing problems, let me know more details about the steps you've tried so far.

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RabbitKiller99
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12-13-2025, 06:52 AM
#2
im not any wiser, but Microsoft has official download of both installer and iso file, if it's a problem with that
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RabbitKiller99
12-13-2025, 06:52 AM #2

im not any wiser, but Microsoft has official download of both installer and iso file, if it's a problem with that

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stamps66
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12-13-2025, 12:38 PM
#3
The ISO 9660 image requires El-Torito extensions. Refer to the OSDev Wiki page for details. The appropriate file format for booting should be one of these: bootmgr, efi/boot/bootx64.efi, with the boot flag set accordingly.
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stamps66
12-13-2025, 12:38 PM #3

The ISO 9660 image requires El-Torito extensions. Refer to the OSDev Wiki page for details. The appropriate file format for booting should be one of these: bootmgr, efi/boot/bootx64.efi, with the boot flag set accordingly.

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