That's pretty much normal for any Win-OS. The older version's boot files
cannot load a newer version as they lack the programming necessary, only the
reverse.
--
Best of Luck,
Rick Rogers, aka "Nutcase" - Microsoft MVP
http://mvp.support.microsoft.com/
Windows help -
www.rickrogers.org
"Ian D" <> wrote in message
news:...
> The free version of VistaBootPro 3.3.0 works with Win7. The
> only requirement is that Win7 must be the boot OS. It doesn't
> matter in what order the OSs are installed. If you boot the Vista
> drive and select Win7 in the boot menu you get an error because
> Vista's bootmgr tries to load the winload.exe file in Win7's system32
> folder, and it's seen as a corrupted Vista file. If you boot the Win7
> drive and select Vista, Win7 recognizes the Vista winload file and
> Vista boots normally.
>
>