Package First Aid is a utility from Apple Inc. for the Classic Mac OS, in particular for Mac OS 9. It is inoperative under Mac OS X.

The utility resets folders that have been incorrectly configured as application packages. If a user has a package or folder that cannot be opened, to reset it as a folder, the user drags it onto the utility's icon. An error dialogue box appears if the user attempts to open Package First Aid by double-clicking its icon.

Warning: Do not drag application packages onto Package First Aid!

The utility can be found on the Install CD for Mac OS 9.[[zh:软件包修�?�工具]]

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