Fix DELTARUNE Not Launching/Won't Launch On PC
2Fix DELTARUNE Not Launching/Not Opening On PC, Fix DELTARUNE Won't Launch On PC, Fix DELTARUNE Not Starting, Fix DELTARUNE Not Opening On PC
Step 1) Run the game as an administrator from the game installation folder, try compatibility mode, disable full screen optimizations
Step 2) Allow the game exe file to your antivirus program/Windows Security and Firewall, add all the exe files
Step 3) Do not overclock (set it to default), close all the overclocking application MSI Afterburner/Rivatuner
Step 4) Try -dx11/-dx12 in launch options
Step 5) Rename/delete the save game files, create a backup first (You will lose all the game progress)
Step 6) Verify the game files.
Step 7) Perform a clean installation of graphics driver.
https://www.nvidia.com/Download/index.aspx?lang=en-us
https://www.amd.com/en/support
Step 8) Run the game on dedicated graphics card
Step 9) Update Windows to the latest version
Step 10) Install Visual C++ Files
https://docs.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-160
Step 11) Unplug External devices such as hotas, wheel, pedals, mouse, Razer Tartarus, disconnect all the additional USB adapter connected to PC, disconnect additional joystick/controllers connected, disconnect multiple monitors, disable Steam overlay, close all the overlay apps (Discord, Nvidia app, Nvidia shadow play overlay, AMD overlay), , turn off Razer Synapse (razor lighting effects) and MSI Dragon Center, corsair software, close third-party services such as nahimic services/lightingservice.exe etc. in task manager, remove the undervolt
Step 12) Increase Virtual Memory
View Advanced system settings.
Initial Size: 1.5 x Total Ram
Maximum Size: 3 X Total Ram
Step 13) Uninstall the game, go to the game installation folder and delete the game folder, restart your PC, and reinstall the game to C Drive/if already installed to C drive, then install the game to another SSD