3. Update Graphics Drivers
You should also try updating the graphics driver on your PC to make sure there is no outdated or missing GPU driver conflicting with the game. It’s worth mentioning to check for the update and install the same whenever available. To do that:
- Press the Win+X keys to open the Quick Link Menu.
- Click on Device Manager > Double-click on Display adapters.
- Right-click on the dedicated graphics card that’s currently active.

- Choose Update driver > Click on Search automatically for drivers.
- If an update is available, the system will automatically download & install the latest version.
- Once done, the system will reboot automatically. You can also manually restart the PC.
For the Nvidia graphics card users, updating the GeForce Experience app on their PC will be required from the Nvidia official site here. Whereas, if you’re using the AMD graphics card on your system, then check out the latest AMD Drivers from here. Intel GPU users can visit the Intel website.
4. Verify and Repair the Game Files
You should also verify and repair the installed game files on the PC because corrupted or missing game files may cause some issues with the game launching as well as server connectivity. It’s better always to verify and repair the game files via the game launcher you’re using. To do so:
For Steam:
- Open the Steam client > Go to LIBRARY.
- Right-click on Red Dead Online from the left pane.
- Select Properties > Go to LOCAL FILES.

- Now, click on Verify integrity of game files > Wait for the process to be completed.
- Once done, make sure to reboot the PC to apply changes.
For Epic Games Launcher:
If in case, you’re using the Epic Games Launcher then you can follow the steps below to fix the Red Dead Online Error FFFFFFFF.
- Open Epic Games Launcher > Go to Library.

- Click on the three-dots icon next to Red Dead Online.
- Select Verify and wait for the process to be completed.
- Once done, make sure to reboot the PC to apply changes.
For Rockstar Games Launcher:
- Open the Rockstar Games Launcher on your PC.
- Make sure to sign in to the account > Go to Settings.
- Select the Red Dead Online game from the list under My installed games on the left pane.
- Click on Verify Integrity on the right pane.
- Wait for the process to be completed.
- Launch the game and check for the issue again.
5. Check for Windows Updates
In some cases, an outdated Windows system might cause multiple issues with the game files running properly. You should check for Windows updates on your computer. To do so:
- Press the Win+I keys to open Windows Settings.
- Click on Update & Security > Click on Check for updates.

- If there is an update available, you can click on Download and Install.
- Wait for the process to complete the installation.
- Once done, reboot your computer to apply changes.
6. Close Background Tasks
It’s recommended to close all the unnecessary background running tasks on your system by following the steps below because the more system resources will be used the higher your system performance will drop. You can fix the Red Dead Online unknown error FFFFFFFF on the PC by following this method.
- Press the Ctrl+Shift+Esc keys to open Task Manager.

- Click on Processes and check which task is consuming higher resources.
- Now, click on the particular process > Select End Task to close it forcefully.
- Make sure to do the same steps for each third-party app process that is consuming higher resources.
- Once done, close Task Manager, and restart your PC.
7. Enable Vulkan API
If none of the methods come in handy then make sure to enable Vulkan API on your Steam client by following the steps below. This specific method did fix the issue for you for Red Dead Online. It’s worth mentioning that Vulkan API is the preferred one for AMD graphics cards and DX is used for Nvidia graphics cards. Therefore, it’s recommended to turn it on via Steam.
- Just launch the Steam client on the PC > Click on Steam from the top-left side.
- Click on Settings > Select Shader Pre-Caching.
- Make sure to turn ON the Enable Shader Pre-Caching (0 MB pre-cached) checkbox.
- Next, turn ON the Allow background processing of Vulkan shaders checkbox.
- Once done, click on OK to save changes > You should reboot Steam and check for the issue again.
That’s it, guys. We assume this guide was helpful to you. For additional queries, you can comment below.