i have a problem with your plugin aver my website perlaspoon.com.
1. i tried to deactivate all my plugins :
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Akismet 2.5.7 All In One SEO Pack 2.0 Better WP Security 3.4.10 Broken Link Checker 1.7.1 Digg Digg 5.3.4 Easy FancyBox 18.104.22.168 eShop for WordPress 6.3.10 Facebook AWD All in One 1.6 FD Feedburner Plugin 1.46 GD Star Rating 1.9.22 Google XML Sitemaps 3.2.9 P3 (Plugin Performance Profiler) 1.4.1 Regenerate Thumbnails 2.2.4 Social Metrics 2.1 upPrev 3.3.15 WP Super Cache 1.3.2 Yet Another Related Posts Plugin 4.0.6
2. tried it over Twenty Twelve theme.
3. contact my host to set up session_save... told me all was ok, and I'm using php 5.3.
here is the [session] part of my php.ini
So now i have done all what's suggested over your support page here and i don't know what to do to find out what is the problem.