Dear, Chimera, as I opened the program it prompted me to re-register. I tried 3 time but got a Error <br>message PKCS7. HELP!!!!<br>Burt<br clear="all"><br>-- <br>Burt Goldberg, PhD<br>Professor of Chemistry &amp; Biochemistry<br>
Chemistry Department<br>Affiliated Research Professor<br>Medical Parasitology<br>New York University School of Medicine<br>New York University<br><br>