If you encounter problems installing Security Ninja Pro, here are the step-by-step instructions to resolve them:
Deactivate Security Ninja Pro and install the free version from the WordPress repository.
Once the free version is installed, activate the pro version.
In the confirmation box, click on "activate free trial" and then click continue/accept.
Then disable the free version and you're done.
If nothing worked, contact us through the support area in your user account and we'll be happy to help you.
Remember that if you have any doubts or problems, you can pray our Frequently Asked Questions to resolve the most common and recurring issues when using WordPress products. Additionally, if you were unable to resolve your issue, you can contact us. Support Area, through your user account.