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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText><span style='font-family:"Calibri","sans-serif"'>Dear OpenMM users,<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Calibri","sans-serif"'>We have recently become aware of a bug in recent versions of Mac OS X that produce errors with the OpenMM OpenCL platform. We are currently working with Apple to resolve the issue. In the meantime, if you use the OpenCL platform, we recommend that you do NOT upgrade your OS beyond 10.7.4.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Calibri","sans-serif"'>Those running the CUDA platform are unaffected. <o:p></o:p></span></p><p class=MsoPlainText><span style='font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-family:"Calibri","sans-serif"'>We will keep you updated on the situation.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.5pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.5pt'>Best,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.5pt'>Joy<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>---<o:p></o:p></span></i></p><p class=MsoNormal><b><span style='font-size:10.0pt;color:#595959'>Joy P. Ku, PhD<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;color:#595959'>Director, <a href="http://simbios.stanford.edu/"><span style='color:blue'>Simbios</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#595959'>Director of Communications & Training, <a href="http://opensim.stanford.edu/"><span style='color:blue'>NCSRR</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#595959'>Stanford University<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#595959'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#595959'>(w) 650.736.8434, (f) 650.723.7461<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#595959'>Email: <a href="mailto:joyku@stanford.edu"><span style='color:blue'>joyku@stanford.edu</span></a><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>