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Recommended Registry Setting that enhances System Stability with Unreal Engine

Registry Settings

While we don't usually encourage making changes to your computer's registry, there is one major setting we recommend to improve stability with Unreal Engine. Since Unreal uses lots of GPU resources, there are times the computer will think the card has been "ejected" or "crashed".

 

If a GPU crash is thrown, you will be met with the following error dialog:

 

To prevent this issue, please add the following registry entry using these steps:

  1. Open Registry Editor:

    • Press Win + R, type regedit, and press Enter.
  2. Navigate to GraphicsDrivers:

    • Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers.
  3. Add a New DWORD Value:

    • Right-click on the right pane, select New > DWORD (32-bit) Value.
  4. Name the Value:

    • Enter TdrDelay as the value name.
  5. Set the Value Data:

    • Double-click the new TdrDelay entry, enter 60 as the value data, ensure that Base is set to Decimal, and click OK.
  6. Close Registry Editor:

    • Exit the Registry Editor to save changes.