Security issues: Move the storage folder as suggested from opencart.
We created a workaround for those that don't have folders under the root one.
If you still want to not move the folder and use this mod to disable the popup
make sure to have a Webserver that supports .htaccess.
For the OCMOD unzip also the "system" in the web root to add the .htaccess.
What customers say about Remove "Important Security Notification" 3.x