Greetings!
As you can see by my posts I am a total newbie to linux. I downloaded linuxOS 2007 and tried to install it in 3 desktop (built bye me) and one laptop. I failed at every attempt. I got the following message "failed to load aufs module dropping you to a limited shell loading/initrd/bin/ash
BusyBox v1.1.2 enter 'help' for a list of built-in commands"
2 of the desktops have jabil kadoka motherboard with over 400mb of ram both have sloat a amd cpu 600mhz and 900mhz with s3 videocards, the other desktop uses a jetway mainboard with amd 600mhz cpu and over 400mb of ram and onboard video and sound, the laptop is a compaq armada v300 128mb of ram and 460 mez cpu. Being a newbie I am at lost on how to procede. I look around the site and recommended burnina a cd at a lower speed. I burned my at 10x(I think) using the cd burner program found in Ubuntu 8.04 (which I installed this days too because I am experimenting with linux). If you can give any further advice it will be deeply appreciated. Thank you

You should check the CD integrity if you doubt that's the problem; I don't think it is, but anyway. Some discs offer (when you boot them) you a possibility to run the integrity check there, to make sure the disc is ok; in some cases the disc "publisher" offers you instructions on how to calculate a checksum of the burned disk and compare it against a known "good" value (usually using md5sum or sha1sum).

Have you tried to use any other distributions; for a start some live-cd distributions, for example Knoppix? Do they give the same error? In case it is "distribution-specific" you could always use another distribution..

I have used a live cd from ubuntu 5.10 and the 8.04 revision and both work ok. I downloaded the pc linux os 2007 directly from their website. I will try doins as you recommend.

I had the same problem when I first tried to install PCLinuxOS 2007. It turned out that the CD hadn't burned exactly right. When you burn the CD make sure that you have the software verify that the software burned correctly. I discovered that neither of my Sony CD/DVD writers would reliably burn the ISO image. I had to buy a new external CD/DVD writer. Now I hate Sony for their hardware on top of all the other reasons to hate them. (DRM rootkits, bad application software from "Sonic Software" that ships with their hardware, bad breath, ...)

Other distributions appear to be more tolerant of a bad burn.

I checked the iso file using md5sum it produced the expected result confirming the dowload is right. I BURNED A NEW CD (THIS TIME USING A CD-RW) and run it in one of the pc now pruduce a different error
Error: Unable to mount loop filesystem , commands were: losetup/dev/loop0initrd/cdrom/livecd.sgfs
mount-r-tsquashhfs/dev/loop0initrd/loopfs
Droping to a limited shell
loading/initrd/bin/ash
is there anything else I might attemp? Thank you