This is a common culprit if you have moved your Windows Temp folder to a different drive (e.g., to save SSD space). Ensure your Temp folder is set to its default location: C:\Users\[Username]\AppData\Local\Temp
Soundtoys relies on the system's local temporary environment profile to process installations and unpack active configurations. If you have redirected your system's temp configurations to a secondary SSD drive or a custom scratch disk, you must restore them. This is a common culprit if you have
The system relies on specific default paths to manage settings and preset libraries: The system relies on specific default paths to
Some antivirus software blocks folder creation. Temporarily disable real-time protection, install Soundtoys, then re-enable it. This is the "nuclear" option for the "cannot
Soundtoys V5 Preset location, presets not saving and hardlinks
If you want, I can provide a concise, step-by-step checklist you can follow interactively (with exact commands for Windows or macOS) or help draft a support message to Soundtoys including the details they’ll need.
This is the "nuclear" option for the "cannot create version root folder" error after a failed hotfix.