<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV>Based on lots of testing and feedback, we have arrived at the conclusion that users should be able to upgrade to Mac OS X 10.4.3 without experiencing problems.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Users wishing to upgrade should follow the usual precautions:</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>- Always have a current backup before attempting to install any operating system update</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>- if you haven't done so in a while, boot from a Mac OS X install CD, run Disk Utility and use the repair disk option, to repair any file system inconsistencies (this is the same as booting into single user mode and running /sbin/fsck -fy from the command line for those who are Unix-savvy; if you have no idea what I'm talking about, pretend you didn't read this for now…)</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>- after installing the update, run Disk Utility and use the Repair Permissions option to fix permissions that may need fixin'</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>The details about 10.4.3 are available at <A href="http://www.apple.com/support/downloads/macosxupdate1043.html">http://www.apple.com/support/downloads/macosxupdate1043.html</A>.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV> -- Al</DIV><BR><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Lucida Grande; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Lucida Grande; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Lucida Grande" size="3" style="font: 11.0px Lucida Grande">______________________________</FONT></P><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Lucida Grande" size="3" style="font: 11.0px Lucida Grande">Albert Willis</FONT></P><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Lucida Grande" size="3" style="font: 11.0px Lucida Grande">Macintosh Platform Coordinator - Software Release Team</FONT></P><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Lucida Grande" size="3" style="font: 11.0px Lucida Grande">Information Services and Technology</FONT></P><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Lucida Grande" size="3" style="font: 11.0px Lucida Grande">Massachusetts Institute of Technology</FONT></P><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Lucida Grande" size="3" style="font: 11.0px Lucida Grande"><A href="mailto:awillis@mit.edu">awillis@mit.edu</A></FONT></P><BR class="Apple-interchange-newline"></SPAN></SPAN> </DIV><BR></BODY></HTML>