Pop up! plugin, box never shows

Hi, I have already installed this plugin in the past, but it

never worked for me. Maybe is a plugins-conflict, I don’t know…

My site: http://www.DOTforexPLUSerDOT.it

(just copy the name above and cancel the text in capital letters)

Plugin list:

Akismet

BuddyPress

Contact Form 7

Exec-PHP

FeedBurner FeedSmith

GoCodes

Popover plugin

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s2Member

SI CAPTCHA Anti-Spam

Special Text Boxes

Subscribe To Comments

WordPress SEO

WP-Optimize

WP Minify

WP Super Cache

WP Super Edit