Im trying to install a bootable iso from usb I followed these instructions http://en.community.dell.com/support-forums/software-os/w/microsoft_os/3317.2-3-microsoft-windows-vista-official-iso-download-links-digital-river.aspx where it says extract the files to the vista folder I extracted the boot.wim and when I extracted the install.wim I left while it was extracting to the file when I came back a few hrs. later it had completely filled my hard drive can anyone tell me what I'm doing wrong?