New Machine Vista Install woes

>
> Ok, this is my third machine in the last year that I have built from
> scratch, the first 2 being 32 bit Vista machines, and went off without a
> hitch. So now I go to build my new Vista 64 bit machine, and am running
> into an install problem. I can boot from the disc from the DVD drive,
> and even enter the product key, but once it goes to the next step of
> installing, I get the following error:
>
>
> "Windows cannot open the required file D:\sources\Install.wim. Make
> sure
> all files required for installation are available and restart the
> installation. Error code 0x8007000D."
>
> Here is my machine:
>
> AMD Phenom 9850 BLACK EDITION 2.5GHz 4 x 512KB L2 Cache 2MB L3 Cache
> Socket AM2+ 125W Quad-Core Processor
>
> ASUS M3N72-D AM2+/AM2 NVIDIA nForce 750a SLI ATX AMD Motherboard
>
> OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500)
> Dual Channel Kit Desktop Memory
>
> MSI 8800GTS (G3) 512 Video Card
>
> The version of Vista I have is a OEM version so Microsoft will not
> offer any support. Im just an amateur builder and have built all three
> for family use, but this third machine is killing, especially since its
> MY machine...
>
> HELP!!!!!!
>
>
> --
> brad123