Close and the Rockstar Games Launcher completely. (Check your Task Manager to ensure no background processes are running).
When you successfully log into Social Club online, the launcher downloads a file called socialclub.dll or a cache file containing your activation data. This file tells GTA V: "This user owns the game. Let them play." gta v offline activation data could not be loaded
To quickly recap, the most reliable solutions are: Close and the Rockstar Games Launcher completely
Restart the Rockstar Games Launcher and sign in again. This will force the launcher to re-download fresh activation data. 2. Synchronize Your System Clock This file tells GTA V: "This user owns the game
Virtual Private Networks can mask your location in a way that triggers Rockstar's anti-tamper security flags. Turn off your VPN before opening the launcher, then turn it back on once the game successfully reaches the main menu.