upgrade to Mavericks with Elements 11 -- how to do correctly?

uinstall (using the uninstaller), upgrade your os and the properly install pse 11 with the install files.

if you need the install files and if you follow all 7 steps you can dl a trial here:  http://prodesigntools.com/photoshop-elements-11-direct-download-links-pse-premiere-pre.html

and activate with your serial.

if you have a problem dl'g, you didn't follow all 7 steps.  the most common error involves failing to meticulously follow steps 1,2 and/or 3 (which adds a cookie to your system enabling you to download the correct version from adobe.com).  so, your browser must also accept cookies to enable these downloads.