I've tried to install ubuntu from Flash Drive in Windows 10. I'm using Universal Usb Installer app to create a bootable flash drive. The problem is when I boot it through UEFI boot mode and try to install Ubuntu, it says:

Error: Invalid magic number
Error: you need to load kernel first

How to solve this problem?

  1. If you didn't already, try creating the USB drive itself with Rufus.
  2. Try step #1 with another USB drive if possible.
  • It didn't work, after creating the bootable with rufus, it doesn't detect the efi mode in my boot setup, I have checking the file and all file missing in this folder like isolinux, efi, and some more, so I'm using another app, it's work but the result is like what I asked – user720042 Aug 2 '17 at 23:26
  • I can't understand what you're saying, and it doesn't sound like you tried another USB drive. – pzkpfw Aug 3 '17 at 15:01

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