If you try to load a roster of 4,000 high-definition characters, or run a stage with massive background PNGs, the engine will choke. You will see a black screen, a sudden desktop crash, or the vague error: "Error: 'Out of memory.'"

Choose mugen.exe and click "Open." The tool will apply the LARGEADDRESSAWARE flag to the file.

Applying the patch is a straightforward process, but it requires the user to locate the correct executable file.

You should receive a message stating "Executable successfully patched." The tool often creates its own backup (e.g., mugen.exe.backup ) automatically. Important Considerations How to Install the 4GB Patch Into Geometry Dash | Tutorial