Borderlands 3 Low Level Fatal Error Line 4240 • Limited & Certified

If you updated drivers in the last two weeks and the error started, roll back. The most stable drivers for Borderlands 3 as of 2025-2026 remain:

| Cause | Probability | |-------|-------------| | Corrupted OakGame DLC data (e.g., Designer’s Cut, Director’s Cut) | High | | Broken profile save containing an invalid inventory item (e.g., deleted DLC trinket still equipped) | Medium | | GPU driver timing out during shader compilation + asset streaming | Medium | | Overclocked/undervolted GPU causing unstable asset decompression | Low | Borderlands 3 Low Level Fatal Error Line 4240

From crash dumps and user telemetry, Line 4240 maps to an internal assertion in the when: If you updated drivers in the last two

If you are still crashing after trying these 10 solutions, the issue likely lies with a specific software conflict on your PC (a rogue antivirus, RGB controller, or VPN software). Try a (msconfig → Selective Startup) to isolate the culprit. Ironically, this forces the game to properly use all cores

Ironically, this forces the game to properly use all cores. Add this to your Launch Options alongside -dx11 .

Gearbox has not released a specific patch for Line 4240, but it became rarer after the final update (August 2024). Most remaining cases are tied to corrupted user profiles or incomplete DLC manifest files after OS reinstallation.