While modpacks often include a plugin called "LocaleFix," it isn't always perfect. The most stable solution is to change your system locale.

Akihiro’s hands trembled. He typed back through a developer console he’d never used: “Who are you?”

: Installing IllusionFixes , specifically the CultureFix module, is a standard solution for crashes occurring during map loads or fast-forwarding .

Open LogOutput.log in Notepad. Scroll to the very bottom.

Use KKManager to "Look for updates" to make sure all plugins are current. C. Check File Path

When the game starts, watch the scrolling text. Red text usually indicates the specific file causing the heap error. Common Culprits: Outdated versions of Sideloader Configuration Manager

Add your game folder to your antivirus whitelist, as it often flags BepInEx's "injection" behavior as a false positive.

Note: This will not change your Windows display language; it only changes how non-Unicode programs run. This is essential for many Japanese games.