Cannot successfully activate the application.
1. Failure: Invalid activation key.
Make sure that you copy and paste the activation key correctly. Make sure that you are connected to the Internet and please switch off your firewall during the activation process. Then try again. If that does not help, please open a helpdesk ticket and post a copy of your purchase receivt.
2. Failure: Activation keyinvalid for this product.
Your activation key does not fit the software you installed, most probably you have an activation key for an older product version, but you downloaded and installed a newer version. You can download older version from www.qbautomation.com/archive.html
3. Failure: Activation key in use by a different serial number.
This means that you use the software at another computer or disk as it was originally installed. Please make sure to use the software at ONE computer only.