For troubleshooting, feature requests, and general help, please contact Customer Support at support [at] wowslider [dot] com.
roboro, please follow the instruction and video tutorial on our website:
http://www.wowslider.com/wordpress-jquery-slider.html
Make sure that you add Shortcode at “HTML” tab, not at “Visual” tab.
If problem will persist, please provide us more info about WOWSlider, WOWSlider plugin, WordPress versions and send us a direct link to the page where you added WOWSlider Shortcode, so we can check it.
Try to delete old plugin and install plugin from program only.
The problem with WordPress v.3.3 was fixed, WOWSlider plugin was updated. Please download plugin once again and re-install it.
