Suggestion required for installation

Hey guys, im trying to do this (i have windows 7 installed first) but when installing vista, at just 2% i get this Windows cannot copy files error. Im installing from a bootable USB and i've already tried using a different 4gb usb, a different vista iso file, different programs to make my usb...

Trying to install win 7 on a toshiba that has the 32 bit and installing 64 and getting error "a required cd/dvd device driver is missing". Can someone help? Call me posssibly?

My cpu temp is around 60 celsius and hard disk is around 50 celsius in normal usage.should I buy cooling pad or is it not needed?

I am planning to buy a system with the following config Corei7 950 Asus Sabertooth 6 GB RAM GTX 460 Card Cabinet - CM 690 II Advanced with 4 or 5 additional noctua fans. Should I buy HAFX or HAF 922 for the above config?

OK, I'm running Win7 7201 64-bit. I installed COD4 1.7 last night and when asked about installing DX9 I selected "No" since my Win7 has DX11 installed. When I try and start either single or multi-player I get an error dialog that reads: "The program can't start because d3dx9_34.dll is...