Could you start with disabling the plugin FancyBox for WordPress? It is interfering with Easy FancyBox. If you prefer FancyBox for WordPress, better disable Easy FancyBox. The two plugins cannot be run together.
About Woocommerce: you will need to disable the option “Enable Lightbox” on Woocommerce > Settings under Styles and Scripts. Next, go to Settings > Media and set the option Auto-detect > Apply to, to “All image links”.