<html><head></head><body><div class="ydpc5598926yahoo-style-wrap" style="font-family:verdana, helvetica, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">Hi Expert,</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I am refinening my strcuture on phenix , Could you kindly suggest me why after refinement in phenix (version i used 1.9-1692, Mac operation system) COOT does not open up by clicking on COOT button.Its seems open but only black screen (or blank window) come up without out any data, As previously always its open very smoothly , so now i have to open all files manually every time. </div><div><br></div><div class="ydpc5598926signature"><div style="font-family:verdana, helvetica, sans-serif;font-size:16px;"><div><font color="#40007f"><span style="color:rgb(0, 0, 0);"><span style="font-weight:bold;"><br><br>Best Regards</span></span><br></font></div> <div><font color="#40007f">===============================<br><span style="font-weight:bold;color:rgb(0, 0, 127);"> Afshan Begum </span><br></font><a href="http://de.mc517.mail.yahoo.com/mc/compose?to=Betzel@unisgi1.desy.de" rel="nofollow" target="_blank"><span id="ydp7661c59flw_1228049306_5" class="ydp7661c59fyshortcuts"></span></a></div> <div><font color="#40007f"><span id="ydp7661c59flw_1196915112_4" style="border-bottom:1px dashed rgb(0, 102, 204);" class="ydp7661c59fyshortcuts"></span><br></font></div></div></div></div></body></html>