This is an error with the Install Shield program.  Go to C:\Program Files\Common Files and there will be a folder called InstallShield.  Rename this folder to InstallshieldOld.  You will want to restart the computer.  Once the computer is back up and running try running the installation program again.

Windows download instructions
What is an .exe file?
An exe file (pronounced as letters E-X-E) is a computer file that ends with the extension “.exe” otherwise known as an executable file. When one clicks on an exe file, a built-in routine automatically executes code that can set several functions into motion. Exe files are used to install [...]

onOne products are not supported under the Corel suite.  Many changes have been made to developing plug-ins for the latter versions of Adobe Photoshop which Corel does not support.

The serial number and license code are one in the same.  If you have any questions regarding your serial number or license code please contact customer service through the web or over the phone at 888-968-1468

The 30-day return policy is only available for products purchased directly from onOne software, including electronic downloads and products delivered physically. During this period you are entitled to receive a full refund (excluding any shipping charges) for any product purchased directly from onOne Software. Products purchased through an authorized reseller or other third parties are [...]