the tool to a dedicated folder (do not run it from inside the .zip / .rar ). Open the target .acb file from your game’s directory. Replace the desired Track ID with your prepared .wav file. Save to overwrite the original archive and test in-game.
New patches often change how audio is stored (moving from loose files to asset bundles). If the tool stops working after an update, you may need to wait for a developer update or downgrade your game version via Steam's "Betas" tab to a legacy build. Quick Setup Checklist eternity audio tool download fix
Security software may flag Eternity Tools as a "backdoor Trojan." Many users resolve this by adding the tool to their antivirus exception list . the tool to a dedicated folder (do not
If the tool freezes when switching from .wav to .hca selection, try using the Tab key to navigate the file selector instead of clicking with the mouse. Save to overwrite the original archive and test in-game
If you replace a track but hear nothing in-game, ensure you have clicked "Yes" to all prompts regarding looping and channel differences. The tool must bold the track name to indicate a successful import.
Ensure you have the Microsoft Visual C++ Redistributable installed, as the executable may fail to open without these libraries. Troubleshooting Audio & Tool Performance
To fix common and performance issues, you should ensure your source files are 16-bit .wav (44100-48000 Hz Stereo) and that your antivirus is not blocking the download, as some security software flags the tool as a false positive.