Resolve the GTA V ERR_NO_LAUNCHER error by avoiding compatibility mode, launching via PlayGTAV.exe or GTAVLauncher.exe, reinstalling the Rockstar Games Launcher, verifying game files, and temporarily disabling antivirus software.
Encountering the ERR_NO_LAUNCHER error in Grand Theft Auto V (GTA V), accompanied by the message “Please run Grand Theft Auto V using Rockstar Games Launcher,” can be frustrating.
How to Fix GTA 5 ERR_NO_LAUNCHER on Legacy Edition
This issue often arises due to compatibility settings, missing files, or conflicts with the Rockstar Games Launcher. Below are several troubleshooting steps to help resolve this error:

1. Avoid Running GTA V in Compatibility Mode
Running GTA V or its launcher in compatibility mode can trigger the “legacy mode” message. To resolve this:
- Locate the GTA V Installation Folder:
- For Steam users:
- Navigate to
C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V
.
- Navigate to
- For Epic Games users:
- Navigate to
C:\Program Files\Epic Games\GTAV
.
- Navigate to
- For Steam users:
- Adjust Compatibility Settings for Each Executable:
- Right-click on each of the following files:
GTA5.exe
PlayGTAV.exe
GTAVLauncher.exe
- Select Properties.
- Navigate to the Compatibility tab.
- Ensure that Run this program in compatibility mode for: is unchecked.
- Click Apply, then OK.
- Right-click on each of the following files:
This approach has been suggested by users experiencing similar issues.

2. Launch the Game Using the Correct Executable
Attempting to run the game directly from GTA5.exe
can result in the ERR_NO_LAUNCHER error. Instead:
- Use either
PlayGTAV.exe
orGTAVLauncher.exe
to start the game. - Run the game as Administration.
This method has been recommended in community discussions.

3. Reinstall Rockstar Launcher and Social Club
Corrupted or outdated components of the Rockstar Games Launcher or Social Club can cause this error. To address this:
- Uninstall the Rockstar Games Launcher:
- Go to Control Panel > Programs and Features.
- Locate Rockstar Games Launcher, right-click, and select Uninstall.
- Delete Remaining Files:
- Navigate to
C:\Program Files\Rockstar Games\
and delete the Launcher and Social Club folders if they exist.
- Navigate to
- Reinstall the Launcher:
- Download the latest version of the Rockstar Games Launcher.
- Install it and restart your computer.

4. Verify Game Files
Corrupted or missing game files can lead to Grand Theft Auto V launch errors on your computer. To verify and repair:
- For Steam Users:
- Open Steam.
- Right-click on Grand Theft Auto V in your library.
- Select Properties > Local Files > Verify Integrity of Game Files.
- For Epic Games Users:
- Open the Epic Games Launcher.
- Navigate to your library.
- Click the three dots next to GTA V and select Verify.
Related Post: How to Verify Integrity of GTA Games

5. Disable Antivirus and Firewall Temporarily
Sometimes, antivirus software or firewalls can interfere with game launchers. To test this:
- Temporarily disable your antivirus software and firewall.
- Attempt to launch the game.
- If successful, add exceptions for GTA V and the Rockstar Games Launcher in your antivirus and firewall settings.

6. Delete Configuration Files
Corrupted configuration files can cause launch issues. To reset them:
- Navigate to
Documents\Rockstar Games\GTA V\
. - Delete the Settings folder.
This solution has been effective for some users.

7. Modify the GTA V Shortcut
If all else fails, a clean reinstallation of GTA V may resolve the issue or you can follow the following code to your Grand Theft Auto V shortcut on dekstop:
-nobattleye
For a visual guide on fixing this error, you can watch the following tutorial which covers the modify method:
By following these steps, you should be able to resolve the ERR_NO_LAUNCHER error and enjoy uninterrupted gameplay.