The application could not be installed because the AIR file is damaged. Try obtaining a new AIR file from the application author.
Adobe Flash Player For Macbook Air; Adobe Flash Player For Macbook Pro; Download the Adobe Flash Player uninstaller: Mac OS X, version 10.6 and later: uninstallflashplayerosx.dmg; Mac OS X, version 10.4 and 10.5: uninstallflashplayerosx.dmg; The uninstaller is downloaded to the Downloads folder of your browser by default. Download Flash For Mac. Jun 21, 2016 For step-by-step instructions, see Install Adobe Acrobat Reader DC on Mac OS. Select your operating system, a language, and the version of Reader that you want to install. Then click Download now. The Downloads page appears with a progress bar. If a dialog box appears telling you to quit Reader, close Reader, and then click OK. Bundling the runtime is an option on Mac and Windows. On iOS, all applications include a bundled runtime. As of AIR 3.7, all Android applications include a bundled runtime by default (although you have the option of using a separate runtime). Adobe AIR updates. Download the runtime installation file. Install the runtime on a Mac computer. Download the runtime installation file. Adobe AIR is installed to the following. Adobe Air is an application creating and generating software. It can create apps for both computers and mobile systems. Has built it simple to navigate with a nice looking interface. User can create different forms of applications that are compatible with Windows, iOS, blackberry, android, tablet OS and many more.
The .airappinstall.log file can reveal the specific issue. The Adobe AIR application installer could've found an instance of Adobe AIR or the Adobe AIR application on a mounted drive other than main drive. Time Machine (10.5.x) could have a backup of the application. Unmount drives other than main drive and retry installation.

It's possible that the Adobe AIR application didn't download from the website completely. Retry downloading the Adobe AIR application (the .air file).
You could receive an invalid signature verification log error if the certificate used to sign the Adobe AIR application has expired.
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The AIR Installer states it is already installed, or requires AIR. Can't install AIR
This error can occur if the installer is in a different language (Korean).
Mac users experienced this error in 1.1. A corrupt locale list could be the cause. Try moving languages in your locale language list or adding a language. Mac OS rebuilds locale settings.
The user interface / window does not appear when running an Adobe AIR application, the Adobe AIR installer, or the Adobe AIR uninstaller.
Check the locale settings to see if Latin American Spanish (es-419) is in the list. Incorrect settings trigger an esoteric bug that can cause the behavior described in the Adobe AIR installer and uninstaller, and in some Adobe AIR applications.
The Adobe AIR installer doesn't display a window when launched.
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This issue appears to be a conflict with an internal Webkit library. Follow these steps to work around this problem: