Interesting note: Installing .NET 4.5 resolved the issue. Apparently XNA 4 doesn't depend on it, and I didn't have .NET 4.5 installed.

No worries about it being strange; I'm a programmer myself, and I encounter one-off bugs like this all the time. Just happy we managed to get it working.

//OPTIONS Fullscreen=0 FullscreenAutoscale=1 Scaling=3 Music=1 GamepadDetectEnabled=1 MouseEnabled=0 RumbleEnabled=1 UseStrobes=1 Seed=0 //DEBUG ShowFPS=0 DebugRoomEnabled=0 DebugRoomName=room_02 DebugRoomRight=0 EnemiesEnabled=1 BossEnabled=1 SkipIntro=0 SkipGameMode=Normal FirstFloor=1 Godmode=0 /...

English is the primary. I have Japanese fonts and region settings installed, but they're not used very often.

Keymappings? I just downloaded and extracted the game. I can't get into the game to change anything.

Yes, there is. I put the first line up top, but forgot to mention it was from the crashlog file. Here it is in full: System.ArgumentException: Must specify valid information for parsing in the string. at System.Enum.TryParseEnum(Type enumType, String value, Boolean ignoreCase, EnumResult& parseResul...

Indeed. Repaired my installation. Same error. Rebooted, tried again. Repaired installation again, still same error.

Hello I'm attempting to run your demo, and I get an error right off the bat. The first stack trace line is: System.ArgumentException: Must specify valid information for parsing in the string. I'm running Windows 7 x64. I've tried compatibility modes, but they don't seem to help, and neither does Run...