Have you exacted the ISO from the ZIP? Windows 7 includes a ISO burning tool, make a double click on the ISO. Does this work?
Do you have a USB thumb drive?
if yes, use this installer:
http://www.memtest.org/download/4.10/memtest86+-4.10.usb.installer.zip
to make the USB drive bootable.
"A programmer is just a tool which converts caffeine into code" CLIP- Stellvertreter http://www.winvistaside.de/