Fix Deliver Us Mars Stuttering, Crash to desktop (CTD),Unreal Engine 4 has crashed, Fatal Error, crash on startup, Black Screen & Freezing On PC
Step 1) Restart your PC
Step 2) Rename openxr_loader.dll file
Step 3) Delete the save game files (This will result in loss of game progress)
Step 4) Switch to DX 11 , Try -dx11 or -dx12 or -d3d11 in launch options
Step 5) Run the game as an administrator from the game installation folder
Step 6) Run the game in compatibility mode
Step 7) Allow the game exe file to your antivirus program/Windows Security and Firewall
Step 8) Do a clean installation of graphics driver https://www.nvidia.com/en-us/geforce/drivers/ https://www.amd.com/en/support
Step 9) Roll back graphics driver
Step 10) Verify game files
Step 11) Disable Steam Overlay, close all the overlay apps (Discord, GeForce Experience, Nvidia shadow play overlay, AMD overlay), close all the overclocking application, perform clean boot
Step 12) Run the game on dedicated graphics card
Step 13) Increase the Virtual Memory:
View Advanced system settings
Initial Size: 1.5 x Total Ram
Maximum Size: 3 X Total Ram
Step 14) Install Visual C++ Files https://docs.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-160
Step 15) Install Media Feature Pack: If you are using N versions of Windows: https://support.microsoft.com/en-us/topic/media-feature-pack-list-for-windows-n-editions-c1c6fffa-d052-8338-7a79-a4bb980a700a or switch normal Windows 10/11 editions
Step 16) Update your Windows
Step 17) Disconnect multiple monitors, unplug all the USB devices, Logitech wheel, joystick, Razer Tartarus gamepad, vjoy, turn off Razer Synapse (razor lighting effects) and MSI Dragon Center, corsair software, end nahimic services & lightingservice.exe in task manager, remove the undervolt
Step 18) Update System BIOS
Step 19) Try Windowed mode, turn off Ray Tracing, turn off RTX, lower down graphics settings
Step 20) Uninstall and reinstall the game to the different drive (Try SSD first)
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