Error "The installer could not validate your Toad license key" encountered during installation. (4328648)

Within Quest Installer, near the end of the Toad for Oracle install, user is prompted for my license key and site message.

The installer may report that the license key and site message does not exist or is invalid, i.e "No valid Toad-license found".

In the field available for manual entery of the key, a valid key is entered, but the installers continues to report that the key is invaild

"Unable to validate license key. Reason: The value entered into the license key field may have been entered incorrectly. Please check the value for the license key"

-or-

"The installer could not validate your Toad License.
You may have entered an invalid license key or an older style key.
You may proceed without entering a key now.
Toad will prompt you to enter the license key upon initial launch if needed.

Note:
At this time you can only enter license keys generated for Toad 10.x and 11.x.
If you have a key generated for Toad 9.7 and below, please skip this step.
Visit our support knowledge base for additional information on license key."