Inside the Soundtoys folder, create another folder named Soundtoys 5 . Re-run the plugin scan in your DAW. Solutions for macOS Users
This issue typically occurs on Windows operating systems due to administrative privilege restrictions, folder redirection services like Microsoft OneDrive, or conflicts with symbolic links and hardlinks.
Soundtoys separates its underlying processing code ( .dll , .vst3 , or .component files) from its preset databases. The plugin mandates a strict directory for presets:
Uninstall Soundtoys completely:
. If you moved your Temp folder to a secondary drive to save space on your SSD, the Soundtoys installer may fail. : Reset your Temp folder to its default location: C:\Users\[YourUserName]\AppData\Local\Temp
The error appears when the installer is that master folder at your chosen location.
Your operating system (Windows or macOS) is preventing the Soundtoys installer or the plugin itself from creating or writing to the required folder. Inside the Soundtoys folder, create another folder named
Uninstall all Soundtoys products via the Windows Control Panel.
Attempting to force Soundtoys to write presets or root data to a custom drive using junctions or symbolic links breaks the plugin's security verification, leading to a folder creation crash. Troubleshooting Step-by-Step Fixes 1. Restore the Windows Default Temp Directory
Sometimes simply creating the folder manually allows the plugin to proceed. Navigate to C:\Users\YOUR_USERNAME\Documents . If the folder Soundtoys does not exist, create it. Soundtoys separates its underlying processing code (
Right-click the Soundtoys folder (if it exists) and select .
Ensure your primary preset path points strictly to your local system drive: C:\Users\Public\Documents\Soundtoys\Soundtoys 5
Press Windows Key + S , type , and select Edit the system environment variables . : Reset your Temp folder to its default