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  1. Clixs
    Hi! I am new here in the forum, and i would like to seek help from the experts. I am currently working on a lisp and including there is to check the system date or the validity of the lisp file, for a trial version of my work. But, i have problems when you set the system date like for Windows XP back to an older date the lisp will definitely work. Can someone make a lisp or just a simple routine that even when you backdate the System Date, the lisp will not be usable. Thanks in advance, Clixs
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