Go into 'C:\Users\your_name\Documents\Paradox Interactive\' folder back up your saves that were in the 'Hearts of Iron IV' folder and store them somewhere safe, then delete the 'Hearts of Iron IV' folder entirely.ģ. Unsubscribe from all mods on Steam Workshop.Ģ. Sorry, but this process will delete all your mod data and settings (besides saves if you back them up) so be warned.ġ. You basically need to reset everything to make sure that your game's mod list and the Steam Workshop subscription list are in-sync with each other on what you have available to use as a mod.