Q: Game exists after pressing end turn.
A: Make sure that you are running the game as administrator and any of the files in autosave folder are not opened.

Q: When I enter serial number nothing happens.
A: Make sure you are running the game as administrator.

Q: Norton is saying sotp is a security threat.
A: Go to security history and find the quarantine section. Select SoP and then options and you can restore it.

Q: Playing in windowed mode I can't see all of user interface.
A: Run the game in resolution one level lower than your desktop screen resolution.

Q: Text in the game is totally messed. I can't read anything.
A: Buy original game. Support Developers.