You will not be able to open the file. When you click the button to download – if it asks you to save or save as – save into your desktop to easily find the file. In Chrome it may show as a download and automatically save to your “downloads file”. This file will not open, any attempt will give you the error message you received. If you see the instructions will show you will “import” this file. Please refer to the instructions located on your personal PCT Account to finish your installation.