Here are the 5 steps to fix “File Cannot Be Downloaded Securely”
Step 1: Navigate to Settings

Step 2: Search “Content”

Step 3: Scroll down to “Insecure Content”

Step 4: Click Add under Allow

Step 5: Add a direct URL to the download file or use a wild card in the form like the example in the image below [*.]example.com.

You should now be able to download your file without having to restart your browser.
