问题拆分
The same mashup can behave differently after a game update, a graphics driver change, or a missing dependency.
记录预期结果和第一次失败的位置，并确保每次修改都可以撤销。
实践步骤
Capture the game build, Melty version, operating system, graphics driver, required games, and the first visible error before changing files.
使用原创占位素材和离线测试环境，开始前先备份。
验证与记录
Reproduce the launch twice, compare a clean install with the current one, and test the documented restore path before trying community workarounds.
记录版本、步骤、结果和恢复方式，形成短小的现场笔记。