Follow those steps, or just wipe the drive (quick format) and start over.
Also, make sure you have a current litetouch boot media:
> -----Original Message-----
> From: Technology Discussion at UVM [mailto:[log in to unmask]] On
> Behalf Of Ernie Buford
> Sent: Wednesday, September 08, 2010 12:59 PM
> To: [log in to unmask]
> Subject: Litetouch troubleshooting?
> Good afternoon,
> A colleague deploying Windows 7 via Litetouch installer (mistakenly?)
> set his BIOS to boot from the optical drive before beginning and now
> appears to be in limbo. He was trying to install the OS along with a
> couple of applications selections. When booting to the litetouch CD he
> gets a message telling him to boot from disk. When booting from disk he
> gets a message similar to the following, which goes away soon and then
> Windows boots (with no applications nor any further action from
> Task sequence has been suspended.
> Litetouch encountered an environment error
> Boot into WinPE!
> If booting from USB flash drive remove.....
> I recall mention of various salvage operations, including the following
> from the IT-DISCUSS archives. Should he give this a try or is there
> another intervention that might get Litetouch going again before we use
> gparted or something to start over?
> > You may notice that when LiteTouch starts up, that a secondary CMD shell
> > is available, minimized in the lower-left of the screen. You can bring
> > this windows to the front, and run the following commands to clean up
> > the residual files:
> > c:
> > rmdir /s /q MININT
> > rmdir /s /q _SMSTaskSequence
> > Alternatively, you can just wipe the whole drive:
> > diskpart
> > select disk 0
> > clean
> > exit
> > After cleaning the drive, you may need to reboot to clear cached info
> > from memory before resuming LiteTouch.