Sometimes, the game might not load the dsound.dll file correctly. This is more common on Windows 10/11. If the fix doesn't work, you can try this:
This is an Alt-Enter failure. The game is trying to switch to a resolution your monitor does not support via the HDMI handshake. Samurai Warriors 2 Pc Resolution Fix
The search for a ends here. While it requires a bit of elbow grease—registry edits, hex values, and wrapper tools—the result is glorious. You can finally experience the Siege of Osaka Castle on a 4K monitor with proper widescreen immersion. Sometimes, the game might not load the dsound