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How do you fix dev error 6634?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

There is no one definitive answer to this question as there can be various reasons why the dev error 6634 might occur. However, some possible explanations could be that there is a problem with the game's files or that the game is not compatible with the player's computer. Additionally, it is also possible that the player's graphics card is not up to date or that their computer does not meet the minimum system requirements for the game.

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1. Update your graphics drivers

  1. Go to device manager and locate the graphics card.
  2. Right click on the graphics card and select "Update Driver".
  3. If you are using Windows 10, select the "Advanced Options" button and select "Browse my computer for driver software".
  4. Locate the graphics driver that you need and click on it to install it.
  5. Reboot your computer.
  6. If the problem still persists, then you will need to replace your graphics card.

2. Delete the "Battlefield 1" folder in your Documents directory

  1. Open up your "Documents" folder
  2. Locate the "Battlefield 1" folder
  3. Right-click on the "Battlefield 1" folder and select "Delete"
  4. Confirm that you want to delete the "Battlefield 1" folder

3. Verify your game files

  1. Verify the game files
  2. If the error still persists, reinstall the game
  3. If the error persists after reinstallation, contact your game publisher for assistance

4. Run the game in borderless windowed mode

  1. Click on the "Play" button in the main window
  2. Select the "Borderless Windowed" option from the dropdown menu
  3. Click on the "Start" button to begin playing
  4. If you encounter any problems while playing, please try the following steps: a. Close all open programs on your computer b. Disable any antivirus or firewall software c. If you are using a graphics card with a dedicated graphics processor, make sure that it is disabled in your computer's system settings
  5. If you still experience problems, please contact customer support.

5. Disable Origin in-game

  1. Navigate to Origin in your browser.
  2. Click on the Settings button in the top left corner.
  3. Select the Privacy and Security tab.
  4. Under the Origin section, uncheck the Enable Origin checkbox.
  5. Click on the Save Changes button.
  6. Close Origin.

6. Run the game as an administrator

  1. From the Start Menu, search for "Administrative Tools" and then select it.
  2. In the Administrative Tools window, select the "Computer Management" console.
  3. In the Computer Management console, select the "Operations" node.
  4. Select the "Services" node.
  5. Select the "Windows Update" service.
  6. Select the "Settings" tab.
  7. Under the "General" tab, select the "Automatic restart" checkbox.
  8. Under the "Restart options" tab, select the "Never" option.
  9. Click OK.
  10. After the Windows Update service has restarted, select the "Windows Update" service in the Computer Management console.
  11. Under the "Status" tab, select the "Health" checkbox.
  12. Under the "Performance" tab, select the "Status" tab.
  13. Under the "Logs" tab, select the "Details" tab.
  14. In the "Details" tab, select the "Component" tab.
  15. In the "Component" tab, select the "Windows Update" service.
  16. Under the "Status" tab, select the "Health" checkbox.
  17. Under the "Performance" tab, select the "Status" tab.
  18. Click OK.

If the answers above didn't work then you should also try:

  1. Reset your PC's DNS cache
  2. Use a VPN
  3. Reinstall the game