Error message trying to run Parallels with Vista for the first time

Keith Dubya

Bit poster
Hi,

I've got Vista Ultimate installed on my MacBook Pro via Boot Camp. It works great when I boot directly to the Vista partition.

I'm using the 15-day Parallels trial, and every time I try and run it for the first time, it gives me the same error.

After trying to run Windows, it says

"Error: 0xc0000225

Windows failed to load because the firmware (BIOS) is not ACPI compatible."

I have no idea what this means. I ran Boot Camp normally and everything seemed to work fine. I have had no other issues. My main OS is Mac OS X (10.5.3).

Also, when I actually physically boot into Windows, it says something about an error message trying to install Parallels files.

Any ideas?
 
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