VPC is for PPC Macs only. You cannot install it on an Intel Mac, period.
If you want to run Windows on your Intel Mac you can do so with Boot Camp,
which is on the Leopard dvd, or Parallels, which works like VPC did on your
old Mac. The Windows that came with your VPC 6.1 cannot be installed
without VPC 6.1 or VPC7 so you will need a new copy of Windows if you want
to run it on your new Mac.
>I cannot instal virtual pc 6.1 on my new macbook which has a 2.1 GHz intel
> Core 2 Duo processor. Every time I click to install it "unexpectedly
> quits".
> I've tried recopying from the disk to the machine but the same thing
> happens.
> Could this be the same issue as Power Mac G5 not being compatible?