Please follow the below mentioned steps to uninstall the iPublishCentral reader:

1. Install the application "iPublishCentral Cleaner"
2. Run the iPublishCentral cleaner application
3. From the path Go -> Mac -> system name -> Library -> Preferences -> iPublishCentral folder (with unique numbers): move to trash/delete[Hold down the Alt (Option) key when using the Go menu. The user library folder is listed below the current user's home directory]
4. MAC -> Application folder -> iPublishCentral.app (delete the .app file)
5. Go to Trash and select “Empty Trash”.

Note:AIR application should be version 3.0 and above.