If Soundtoys 5 fails with an error like “cannot create Soundtoys version root folder at Soundtoys 5” (or similar “cannot create folder” / “permission denied” messages), the host application or installer can’t write the plug‑in’s support files to the expected location. The steps below walk through the most common causes and how to resolve them on macOS and Windows.
To prevent this in the future, a "Smart Folder Repair" feature could be implemented within the Soundtoys Support Tools Auto-Detection : The plugin identifies missing root folders upon startup. Permission Request cannot create soundtoys version root folder at soundtoys 5
Right-click the antivirus icon in your system tray and look for "Disable," "Pause protection," or "Silent mode." Consult your AV’s documentation if unsure. If Soundtoys 5 fails with an error like
: Ensure the following default folders exist and are not set to "Read Only": C:\Users\Public\Public Documents\Soundtoys\Soundtoys 5 /Users/Shared/Soundtoys/Soundtoys 5 Separation of Plugin Bits (Windows) Permission Request Right-click the antivirus icon in your
Before diving into fixes, it helps to understand the root cause. SoundToys 5 installs its core components in a specific directory structure on your C: drive (or your chosen system drive). The phrase "version root folder" refers to the master directory where SoundToys stores preset libraries, component data, and version history.
Here is the step-by-step guide to fix it.
: On Windows, close your DAW and the installer. Right-click the Soundtoys installer and select "Run as Administrator."