You need to show hidden and protected files on PC to made a safe copy from one sd to another:
1) Click the “View” tab on File Explorer’s ribbon and click the “Hidden items” checkbox in the Show/hide section. File Explorer will immediately show hidden files and will remember this setting until you change it;
2) Now click on the "options" at the top right of the screen and then on "change options", go to "view" tab and unmark "Hide protected files".
Profit!