1

Kept trying yesterday and got past the normal 256 errors but does anybody know what this error means and what I should do to go past it?

Happens after using woeusb to install windows 10 onto my usb.

Installation failed!
Exit code: 256
Log:
WoeUSB v@@WOEUSB_VERSION@@
==============================
Mounting source filesystem...
Wiping all existing partition table and filesystem signatures in /dev/sdb...
/dev/sdb: 2 bytes were deleted at position 0x000001fe (dos): 55 aa  
/dev/sdb: calling ioctl to re-read the partition table: Success  
Ensure that /dev/sdb is really wiped...
Creating new partition table on /dev/sdb...
Creating target partition...
Making system realize that partition table has changed...
Wait 3 seconds for block device nodes to populate...
mkfs.fat: warning - lowercase labels might not work properly with DOS or Windows
mkfs.fat 4.1 (2017-01-24)
Mounting target filesystem...
Applying workaround to prevent 64-bit systems with big primary memory from being unresponsive during copying files.
/usr/bin/woeusb: Line 1348: true is not set.
Resetting workaround to prevent 64-bit systems with big primary memory from being unresponsive during copying files.
Unmounting and removing "/media/woeusb_source_1537215420_14822"...
Unmounting and removing "/media/woeusb_target_1537215420_14822"...
You may now safely detach the target device
  • With Gparted remove the current USB partition and create a new NTFS partition on the USB (/dev/sdb). Then run the WoeUsb again. – kukulo Sep 18 '18 at 7:45
  • Are you using the command: woeusb --device Windows10_x64.iso /dev/sdb – MatsK Sep 18 '18 at 14:05
0

Upgrade WoeUSB to the latest version by running the following command:

sudo apt update && sudo apt upgrade  

If this doesn't work follow these steps.

  1. Install GParted from the default Ubuntu repositories.

    sudo apt install gparted  
    
  2. Open Disks application and make a note of the device name of the USB flash drive that will be used as the target device for WoeUSB. It appears after where it says Device: in the center pane of Disks, and has the form /dev/sdX where X is a lowercase letter.

  3. Unmount the USB flash drive that will be used as the target device for WoeUSB.

  4. Open GParted and delete all partitions from the USB drive.

  5. Open WoeUSB and try again to make a bootable Windows installation USB using the same USB flash drive as before.

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