From the Knowledge Base

Serving Protected Files under Nginx

For users of our PDF Embedder Secure plugin. If your web server is using the NGINX software at its heart (most WordPress installations run under Apache instead), then you will probably need to take extra steps to secure your /securepdfs/

How to Upgrade your Site to the Secure Version

A couple notes when upgrading from the Premium to the Secure plugin: You will receive a new plugin download and license (available on your Purchase History dashboard). You must deactivate the Premium version of the plugin before you activate the

Invalid PDF Structure

If you see 'Invalid PDF Structure' where you expected the PDF to display, this may be due to server configuration problems. Either the encrypted file isn't being streamed correctly to the browser (maybe due to gzip being applied incorrectly), or

PDF is not in secure mode, or 'disable right click' is not working

This only applies if you are using the Secure version of PDF Embedder. If you have the 'disable right click' option selected, but this doesn't seem to be effective, then most likely your PDF isn't uploaded in secure mode. Please

Secure PDFs are slow to load

The problem is the size of the file (in MB), unfortunately it just takes longer to process and transmit larger file sizes. Non-secure version of the file loads more quickly because there isn't an encryption overhead and it is possible

The download doesn't seem to be a ZIP file

When you click the link to download the ZIP file for a plugin you've purchased, you may find that it appears to be a folder of files instead of one ZIP file. This is usually because Safari tries to be