I completely uninstalled the product, and re-installed it. The product management page is still blank, however the newsletters have begun sending again.
I just purchased the newsletter plugin, along with the branding free option for my vbulletin 4.2.5 forum.
I installed the plugin and activated it.
When visiting www.mysite.com/forum/jeepadmincp/newsletter.php?do=newsletter in my browser, I see only a white page (however no error).
The same...