Have you seen this error message when you are installing an update patch?
“Sorry, Grand Theft Auto V isn’t installed on this system. Please reinstall the game and try again.”Did you move your GTA V folder into a new directory or hard drive?
“Sorry, Grand Theft Auto V isn’t installed on this system. Please reinstall the game and try again.”Did you move your GTA V folder into a new directory or hard drive?
Or you just want to obtain a backup copy of GTA V Registry.
Here is the registry file that fixes your problem.79fbe1-GTA V Registry