The game may crash if Windows blocks it from writing save data or reading game folders. Navigate to your main game installation folder. Right-click Koikatsu.exe (or InitSetting.exe ). Select , then open the Compatibility tab. Check the box for Run this program as an administrator . Click Apply and launch the game. Whitelist in Windows Defender / Antivirus
Ensure BepInEx is updated to the latest version. Corrupted plugin frameworks are the #1 cause of startup crashes.
If the game crashes while loading a scene or editing a character, the issue is often corrupt cards or exceeding memory limits.
E. Missing or outdated dependencies
Right-click your desktop and open the (or AMD Software). Go to Manage 3D Settings -> Program Settings . Click Add and select your Koikatsu executable.
Navigate to the tab again and click Change... under the Virtual memory section.
Use the community-made KKManager tool. Run KKManager, let it scan your directory, and look for the update/missing mods prompt. It automatically downloads missing zipmods required by your character card library. Increase Your Windows Pagefile (Virtual Memory) koikatsu crash fix
Ensure your NVIDIA or AMD drivers are up to date. Use a "Clean Install" if you recently upgraded your hardware. 4. Direct X and Redistributable Fixes
) fails to load because it cannot write to its own configuration files. : Navigate to your game folder, right-click it, and go to Properties . Ensure that the folder is set to "Read-Only." : Run the game executable ( Koikatsu Party.exe Administrator 4. Troubleshoot Specific Crash Scenarios Crash on New Game
Koikatsu/Koikatu BepinEx can't read mods · Issue #236 - GitHub The game may crash if Windows blocks it
Ensure your HF Patch version matches your game version (e.g., standard Koikatsu vs. Koikatsu Sunshine). 3. Fix the "Sideloader" and Card Loading Crash
Every Koikatsu troubleshooter should have these tools in their arsenal:
If you're using the popular BetterRepack community distribution: Select , then open the Compatibility tab
If you are using a modpack like BetterRepack, check for the latest "Update" patches provided by the community.