AJAX True Client issue with Load generator and BPM

Hi every one,
when i try to run Ajax True Client scrit from controller with Load Generator other than local machine,
it is failing with an error "cannot find usr file".

Root Cause:
this is because it is missing "webiendp.txt" file while copying the script to Load Generator machine. by placing this file manually in that location, its working fine.
But in case of BPM we cannot do like that. BPM always make a copy of the script and after execution it clean up the entire folder.
is there any settings to copy the entire folder to BPM/LG location, with out missing "webiendp.txt"?

thanks in advance.