一直以来有一个问题使我迷惑，那就是如何保存ICQ的历史记录。
ICQ的Preference里面有一页是关于保存聊天记录的，当你选中了Save History后，是可以自动保存的。问题是，有时候这个选项根本就是disabled，你没法选。
一直以来都懒得去查，今天心血来潮，在ICQ网站上搜了一下，原来这已经是个FAQ，原文如此：
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Q.
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My history and preferences are not being saved, what can I do? |
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A.
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When you install ICQ, you are requested to choose between two modes: private and public. The main differences between these two modes are based on security reasons. If you register as My Computer, the system will remember your password and save your messages history record. However, if you register as Public Computer, then none of the above will be saved. Basically, if it's just 2-4 members of the household that are using this computer, you can register as My Computer. |
意思是说，在开始安装的时候有一个这台电脑是谁用的选项，如果选择是Public，也就是公共使用的，那么是不会保存的；反之如果选择是My，也就是自用的，那么是可以保存的，而且这种模式也是可以有多个用户。
所以一直以来在公司和家里选择不同的模式，就有了不同的结果。