In case you get "corrupted file" or "file is shorter than expected error" or any other transmission error notification you will probably need to install a download manager. In future it will help you cope with download problems.

The PC users can find the appropriate program at the following location http://www.reget.com
http://www.getright.com
http://www.netvampire.com

The Mac users can choose such programs here: http://macos.about.com/compute/macos/msubftp.htm

Install a file downloader. Use this program to download demo and full versions of our products successfully.

1. Do not delete you Aha.zip or Aha.sit.hqx file that you recieved after you have purchased Aha!
2. In addition, you can copy it to some external media that is to ZIP or CD as well to prevent the loss of the game because of hard drive crashing.