i did the knoppix remastering process as told in knoppix site.
i removed a couple of softwares using dselect..
i m not sure whether i removed without conflicts.
but after creating the iso and burining it in the cd
i started it.. it booted as like the original one..but when kde was to start..
a message sorry kde could not started..it dropped in it some low memory gui shell
i dont remember the exact error report message...