I've downloaded Ubuntu 12.10 and 9.04 - Desktop, respectively and burned a them on separate DVD and CD.
But when I run
setup.exe or booting from drive
E: I get a welcome display, choose language, then Install Ubuntu but got this error message:
This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot - please use a kernel appropriate for your CPU.
How should I go about installing Ubuntu bypassing all this?