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Bugs / My Game Won’t Start No Matter What

« on: Today at 02:51:07 am »

Hey everyone, I’m having a really frustrating issue and wanted to check if anyone else has experienced this or found a fix.

I just bought the game on Steam, but it simply won’t start no matter what I try. Here’s everything I’ve already done:

Error details (Event Viewer):

.NET Runtime Error (1026):
System.BadImageFormatException
at b7i.a(System.String[])

Application Error (1000):
Faulting module: KERNELBASE.dll
Exception code: 0xe0434352

What I have already tried:

Installation / Files

Fresh install via Steam
Verified integrity of game files
Completely deleted the game folder and reinstalled
Installed the game on a different drive
Confirmed no mods, patches, or external DLLs in the game folder

Dependencies

Installed Microsoft XNA Framework 4.0
Reinstalled XNA multiple times
Installed .NET Framework 4.8
Repaired/reinstalled .NET via Windows Features (disable → reboot → enable → reboot)
Installed DirectX End-User Runtimes (June 2010)

Compatibility / Launch Options

Ran the game as administrator
Tried Windows 7 / 8 compatibility mode
Used launch options:
-windowed
-force-d3d9

System / Software Conflicts

Disabled Steam overlay
Disabled antivirus for the game folder
Disabled GPU overlays
Closed background software that could inject overlays
Tried launching the game directly from the .exe

Other attempts

Deleted config folder:
Documents\My Games\Underrail
Ran:
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth

Current situation

Game still does not launch
Same error persists: System.BadImageFormatException
No visible error message, only crashes silently