Artificial Academy 2 Unhandled Exception New May 2026

Even if you think you have them, download and install the latest all-in-one package:

This is the most likely cause. AA2 was not built for English file paths or system locales. If your Windows username has a space (e.g., John Smith) or a special character, or if you installed the game in C:\Program Files (x86), the game will throw an unhandled exception when trying to save.

The Fix:

Alternative: If you don't want to change your whole PC locale, download Locale Emulator. Right-click AA2Play.exe and select "Run in Japanese (Admin)."

When the artificial academy 2 unhandled exception new dialog appears, click the "Details" button. You will see a stack trace. This is your best clue. artificial academy 2 unhandled exception new

If the error occurs after adding mods:

Rename your data folder to data_backup. Create a new, empty data folder. Now, try to launch the game. If it runs without the error, you have confirmed a mod issue. Even if you think you have them, download

To fix:

Common problem files to look for:

If you have tried all of the above and the error persists at launch: