Skyrim Se Infinite Loading Screen. If you search infinite loading screen at whiterun, there are a lot of posts attributing z-fighting tweaks. So you can configure the SafetyLoad config file to set Safy Load to work while in loading screen.
I have Skyrim, a cracked version actually, and some mods installed. You got infinite loading screens commonly on vanillas screens prior to adding your mods, or was this something that only started occurring on vanilla after mods were added? If the issue does not persist, then one of your add-ons is causing the long loading screen.
Infinite Loading Screen - Quick Fix (Detailed version) This.
I also am having occasional infinite loading screens.
If you are still encountering the Skyrim se infinite loading screen error, then try reinstalling Skyrim. The Skyrim test character (coc'ing before loading a game) never caused the issue. Infinite Loading Screen - Quick Fix (Detailed version) This.