I launch the game on Steam, the launcher works perfectly fine. This community wiki's goal is to be a repository of Hearts of Iron IV related knowledge, useful for both new and experienced players and for modders. Hearts of Iron IV PC- Steam Overlay is not working:- For this issue, users can simply restart Steam and check if the Steam Overlay works. It is also advised to disable Steam Overlay if it makes the game to crash. Hearts of Iron 4 is now 64-bit Common Issues. Army Effortgives army experience and research bonuses to army research. It can be worth trying other methods of installing the mod if one isn't working. I've cleared user directory and tried to launch it. If none of this helps the best thing you can do is talk to Paradox tech support - ultimately the launcher is something they created and know far better than we do, so they are best placed to help. The games will start correctly if the launcher is bypassed 2. Delete the 'map' and 'sharedcache' folder. Hearts of Iron IV is a grand strategy wargame developed by Paradox Development Studio and published by Paradox Interactive. The mod will be automatically downloaded and will populate the mods section in HOI4’s launcher. Start the game with historical AI and follow the focus tree down the communist route. If the above doesn't work, we'd advise doing a complete, clean re-install of Hearts of Iron IV.

Troubleshooting the HOI4 Launcher Paradox updated its HoI4 launcher after the 1.8 version, but many folks who were playing the game previously have had issues trying to use mods like Kaiserreich with it. Navigate to My Documents > Paradox Interactive > Hearts of Iron 4. I've tried going directly to the files and launching the game and bypassing the launcher entirely. Reloads the starting OOB file for the specified tag. Hearts of iron 4 launcher not starting 1945.1.1 Can be done quite easily.

Hearts of iron 3 mods not launching