Unable to Install (Damaged AIR File)

Windows Fix

• Right click the downloaded TweetDeck installer file (.air file) and select 'Open With'
• Browse through: Program Files/Common Files/Adobe Air/Versions/1.0/
• Select the 'Adobe AIR Application Installer' 

Mac OS Fix

• There may be untrusted or self-signed certificates in the Keychain - This has been found by other users to cause problems with the install. It is advised to remove any self-signed certificates in order to not have this AIR file problem.
• Further Reading can be found here: http://forums.adobe.com/thread/48542

Error #0 problems:

Windows Fix

Try running the air installer file as Admin/Administrator (Vista/Windows 7) first and see if it installs. If not, follow the steps below:

• TweetDeck may still be listed in the Control Panel - Add/Remove programs. However, it won't remove as it claims there is a missing .msi file.
• Uninstall Adobe AIR
• Download & Run the Microsoft Installer Cleanup utility ( http://support.microsoft.com/kb/290301 )
• Get rid of any TweetDeck or AIR files shown by the utility
• Check that there is no AIR files within:  \Program Files\Common Files\ 
• Download & Install Adobe AIR - http://get.adobe.com/air/
• Download & Install TweetDeck - http://bit.ly/thedeck