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Re: UNetbootin lets you install distros without burning discs

Posted by: Anonymous [ip:] on January 26, 2008 04:10 AM
"HELP! Unfortunately, I downloaded the UNetbootin Parted Magic for Windows to partition my hard drive. After partitioning successfully, the computer keeps on booting into UNetbootin Parted Magix Linux system"

I received a nearly identical bug report a few hours ago, in which the user was using GRLDR instead of the official Windows bootloader, which resulted in a conflict with UNetbootin since it also uses GRLDR. I presume this is the same situation, so this approach should work to fix the issue.

First of all, GRUB is indeed installed (since parted magic is booting fine). Just hammer away at ESC and it'll show the menu, then enter the commands posted above; see if they work. However, if my notions are correct, and they don't, you'll need to use these commands instead:

root (hd0,0)
chainloader (hd0,0)/ntldr

Or, if this is Vista, then:

root (hd0,0)
chainloader (hd0,0)/bootmgr

Secondly, what version of Windows is this, and more importantly, are you using any kind of bootloader modification or Windows activation circumvention hack, in particular, a GRUB4DOS/GRLDR-based one? UNetbootin does not install GRUB to the MBR (nor does it touch the MBR in any way whatsoever); it chainloads off of the Windows bootloader; therefore, since Parted Magic is still booting, the Windows partition, ntldr/bootmgr bootloader, and grldr are all intact.

As of revision 90, I've fixed this issue by renaming the various grldr files by adding a ubn- prefix to them, so they won't conflict with other GRLDR-based boot utilities such as the one you apparently have installed.

PS There's a bug reporting system at and a dedicated support thread for UNetbootin at so you'll get much faster help if you need it there

PPS I'm Geza Kovacs, the developer of UNetbootin (and also happen to have been the creator and lead developer of Wubi, back when it was known as the Windows-based Ubuntu Installer and before we handed control of the project to the official Ubuntu-installer devs). Much thanks to for the article, though I'd change the link to the site to rather than since the latter page is a general portal to the various Wubi-related projects I made (that homepage was originally made for Lubi, the port of Wubi to Linux/*nix), while the former page is the actual homepage made specifically for UNetbootin.


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