64 bit Windows 7 adds Perpetuum licenses to the wrong Registry subkey and in sprite License Manager shows that the License is registered properly, the product still requires license when working in Visual Studio.
In this situation you need to check if the license is added to the following subkey:
LOCALMACHINE\software\WOW6432Node\Perpetuum Software\License

If there is no key or no parameters of your license (selected in the screenshot), you need to copy this key from the following subkey: LOCALMACHINE\software\Perpetuum Software\License
And don’t forget to copy license parameter there.