确保有一份有效的注册表备份。

Ensure a valid registry backup exists.

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将注册表备份到修复目录中。如果注册表已损坏，这种备份可用来帮助恢复您的系统。

Backup the registry to the repair directory. This backup can be used to help recover your system if the registry is damaged.

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本文首先阐述了注册表的作用及结构分析，然后列举了注册表损坏的常见症状，最后提出了注册表备份与修复的办法。

This paper discusses action of registry and structure analysis firstly, and then specializes ordinary symptom of shatter, finally puts forward the way of backup and repair.

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