The exact message is: "Please insert the disk labeled Windows XP Professional CD-ROM into Drive A:" I have a Thinkpad T42p that has four "recovery" (not installation) disks. This is the message I saw when I didn't have the i386 folder under my main working folder at first (in my case, "XP" on an external HD): "Make sure that the selected folder or drive contains the 'i386' or 'AMD64' directory and proper Windows installation files...An easy way is to insert your Windows installation CD and select your CD drive. Never copy the files directly to a partition root, create an empty folder first." Does this mean I should copy the contents of all four disks to a folder? There are many problems with doing this, such as duplicate file names on all the disks so there would be many overwrites if I did so, not to mention the "cyclic redundancy" errors (I think is what it's called). Many sources I've studied in the last couple of days indicate that in case of the multi-disk recovery set, the i386 folder from the C: root should be copied to the work folder (in my case, "XP" on an external drive). So, I copied the C:\i386 folder to the empty "XP" folder, still wondering if the "proper Windows installation files" referred to above would be included in the i386 folder or if I still needed to get them from somewhere. If anyone has an answer to this particular question, I'd appreciate it. To tell the truth, the nLite guide and program prompts aren't very complete. For example, it says little or nothing about ident files; and when proceeding with the program, it says the Ident file (and all root files) aren't detected yet offers to write the Ident file. Should I be doing something different here? nLite seems to be a really slick program, but what I especially don't like is that when you click the button to make the ISO, at the top of the window, it reads, "Bootable ISO. Create a Bootable ISO to burn on CD/DVD or for testing," leaving the user the impression that everything's included and that the ISO created will be bootable, when apparently it's not that way.