解决缺陷。有时源代码已获公开发布，而有时是从或失误得来，例如《》系列游戏引擎的泄露事件。有时游戏粉丝甚至。 
法律.虽然直接涉及非官方补丁的法庭案件不常见，但历史上有过类似的案件。' found that it was not盗版by a user to apply an unauthorized patch to a system (while the scope was very specific to the ). On the other hand, the case