Hello,
Last night (Mar 3rd local) I purchased FSUIPC6 to use with P3Dv4.5 from simMarket, order #2668065. After re running the installation and entering the registration information, it continues to give me an error "Registration details for FSUIPC6 not valid - please re-enter and try again."
- installed FSUIPC6 v6.0.12, downloaded from the website and from the simMarket email.
- FSUIPC was installed in the Documents/Prepar3D v4 Add-ons folder. Other locations were tried as well
As mentioned above, did you click the Register button and if so what happened?
If it said your key was valid, then check your installation location - make sure you haven't installed FSUIPC6 under your Documents folder, especially if you are using OneDrive or some other cloud-based storage mechanism for your Documents.
If all else fails, you can manually create your key file. Create a file in your FSUIPC installation folder called FSUIPC6.key, with the following contents, substituting the