(Guide) A fatal error occurred while checking sound bank files

SyncWolf

Veteran
Oct 17, 2021
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Netherlands
Troubleshooting Guide
Your game has crashed and you've received this error message? Then read this post on how to resolve this.

Error: Application crashed because a fatal error occurred while checking sound bank files.

Sound error.PNG
  1. Browse the Bannerlord installation folder "\steamapps\common\Mount & Blade II Bannerlord\Sounds".
  2. Delete the folder named "PC".
  3. Verify your game files through Steam. This will download the missing files and resolve the error.

    Verifying2.gif
 
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nongdumizhiji

Recruit
Mar 19, 2025
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Hello
I have this issue and despite following the guide and doing a clean install of bannerlord (deleting the whole folder, the folder in documents ,the appdata and the registry key) I still encounter the error upon booting the game with the file being *.bank , both in solo and multiplayer.

Edit/update: The issue seems to only happen when I start the game trough the launcher, by starting bannerlord.native.exe in the win64 shipping client, I don't encounter the issue