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I am seeing an ‘installer file damaged’ error message. What should I do? 

The error 'installer file damaged' that you are seeing is a general error message from Adobe Air installer.  Please try the following:
  • Uninstall Adobe Air .If you are unable to see the option to uninstall Adobe Air, double-click the “Adobe AIR Uninstaller”, which is located in the /Applications/Utilities folder.
  • Once you have done this try and install the software.
If the above does not work can you please update Adobe Air by going to https://get.adobe.com/air/ and then download and install Adobe Air by following the on screen instructions.

After doing this install the software.

This should resolve the issue.

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