Hello @soufianemou,
Thanks for your feedback.
Kindly please let us know your query with the screen or video so, we can get the idea that where you facing the issue.
Because, this our plugin is used and activated more than 5,000 + users site and no one tell us this type of issues.
So, we are sure that this type of issue coming from another plugin or on your system have some corrupted files.
We also sure, that using our plugin there is no any risk on your system because, it just hide the checkout fields based on admin selected.
Related to our services and trust, we always reply any support ticket with in 24 hours.
We always try to find out the alternate solution for our users.
Please verify at your side the actual issue of your site and let us know if any found.
If you found the issue is not related to our plugin then, kindly revised the review.
Let us know still if any.
Thanks,