Unlikely, only misconfigured. The “Ubuntu success” message might show because your PC tries to boot from a GPT partition on a different disk or you have inadvertently overwritten the Windows bootloader. Booting from a live USB should work but it might take a couple of tries depending on what settings you have changed in the UEFI; also check if your flashdrive is working properly. Apps like the Fedora Media Writer or Rufus can check if the image is not corrupted after writing it to the drive.
Unlikely, only misconfigured. The “Ubuntu success” message might show because your PC tries to boot from a GPT partition on a different disk or you have inadvertently overwritten the Windows bootloader. Booting from a live USB should work but it might take a couple of tries depending on what settings you have changed in the UEFI; also check if your flashdrive is working properly. Apps like the Fedora Media Writer or Rufus can check if the image is not corrupted after writing it to the drive.