I had the same issue tonight when installing. It seems the latest version works, but is only available on the author’s site.
http://bigsellingoptins.com/optinpop/
-Steve
Hi Stevenbrady and Justeyecandy
The problem with the plugin not working from WordPress.org has now been fixed.
Everything should be working fine.
If you run up against any problems here’s a 7 part troubleshooting guide you might find useful…
http://bigsellingoptins.com/optinpop-trouble-shooting-guide/
Some issues are due to clashes with other plugins using jQuery.
All the best!
Brian
