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On Mon, Apr 25, 2016 at 11:28:52AM -0500, Cory Nelson wrote:
> On Mon, Apr 25, 2016 at 11:11 AM,  <raahe...@gmail.com> wrote:
> > On Monday, April 25, 2016 at 9:16:12 AM UTC-4, dbo...@gmail.com wrote:
> >> Thanks Raah... Rawrite had the same issue for me.
> >
> > then maybe you need a diff brand usb stick,  or you have to change your 
> > bios mode to legacy, or  also try diff usb 2.0 ports on your computer.
> 
> There appears to be something unique about the Qubes ISO that causes
> these tools to fail when writing from Windows. I wonder if Windows
> reads the partition table and tries to correct something it thinks is
> an error.
> 
> For me, multiple PCs (one Win8.1, one Win10), multiple drives (one usb
> 3.1, one usb 3, one usb 2), all failed when written from Windows, but
> then succeeded in Linux.

Yes, Windows do break installation image:
https://github.com/QubesOS/qubes-issues/issues/2051
Some excerpt:

    the core of the issue is that the default modern Windows behaviour is
    that, whenever you plug a disk with a file system that Windows can
    recognize, it creates a System Volume Information\ directory on that
    file system, that contains a single file called IndexerVolumeGuid.

    So the problem is that, after a Windows user writes the Qubes image in
    dd mode, the FAT32 ESP gets mounted by Windows, which results in the
    creation of the directory and file above.

    Of course, this means that the FAT32 index gets modified and fails the
    byte comparison...

As you can see in the issue history, we're trying to prevent this by
providing those files in installation image. It is in R3.2-rc images,
but not R3.1. So hopefully should be better in new release.
Unless Windows create the other file ("WPSettings.dat")...


- -- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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