Paid Addons Support Forum Only
Please note, that here we only support Paid Addons issues and questions.
gVectors Support staff works from 6am to 6pm (GMT+0)
All questions related to wpForo and wpDiscuz free plugins should be asked in the corresponding plugin support forum:
[Solved] Invalid Captcha Code
Please navigate to Dashboard > Comments > Settings > General admin page, enable the "Use WordPress native AJAX functions" option, delete all caches, then press CTRL+F5 (twice) on the frontend and check again.
If the issue stil exist, please send the admin login details to info[at]gvectors.com email address. I'll ask the developers to check it for you.