Windows 10: Fix ALL Permission Errors

To transfer images to my laptop from any device/laptop that's connected in my house to the WiFi (or if I'm out and about elsewhere and know my external IP) without having to install drivers for Android, Windows Phone, Apple, etc. I made a bog standard upload form running on my localhost web server so that whenever I'm on something else or out, I can just upload images straight away. Now after upgrading from Windows 7 to Windows 10, this still works fine... but with one slight problem.

I can't open the images.

The thumbnails... [read more]