This issue most frequently affects users on Windows and macOS during initial setup or after a system update. Core Causes of the Root Folder Error The problem generally stems from one of three areas:
Sometimes the error is triggered by how the DAW interacts with the plugin:
Reset the TEMP and TMP environment variables to their default location: C:\Users\[YourUserName]\AppData\Local\Temp . 3. Clean Reinstall (The "Trash and Reinstall" Method) cannot create soundtoys version root folder at soundtoys 5
Third-party security software identifies the folder creation as a suspicious action.
Temporarily disable your antivirus or add an exclusion for the Soundtoys installation directory and your DAW. 2. Reset the Windows Temp Folder This issue most frequently affects users on Windows
The error message typically occurs when a Soundtoys 5 plugin attempts to initialize its directory structure (often for presets or user data) but lacks the necessary system permissions or encounters a conflict with the file path.
If the error persists, corrupted old folder metadata (sometimes showing dates as old as 1970) can block new folder creation. Soundtoys 5 via your system's uninstaller. Reset the Windows Temp Folder The error message
Ensure you are not running Ableton as an Administrator, as this can sometimes create permission mismatches for sub-processes. Summary of Default Paths
If you have moved your Windows Temp folder to a secondary drive to save space on your SSD, Soundtoys 5 may fail to create its root folders.
any remaining Soundtoys folders in the following locations: