NextGen Gallery is the most popular gallery plugin for WordPress sites. However, problems may develop and the galleries may not open up in a Lightbox. If you are facing any problem with the NextGen Gallery installed on your website, contact us. We will help you in troubleshooting. Sometimes conflict between the NextGen Gallery plugin and the WordPress theme may be responsible for the problem. Issues may also arise following site migration. We will detect the exact cause of the problem and fix the issue accordingly.