The error "Cannot create Soundtoys version root folder at Soundtoys 5" typically occurs because the installer or the plugin lacks the necessary permissions to write to specific system folders, or because of a conflict with your Windows Temp directory. Most Common Fixes

Soundtoys V5 Preset location, presets not saving and hardlinks

This issue is often rooted in Windows environment variables or legacy folder structures from previous versions. Primary Solutions Reset the Windows Temp Folder Location : A common cause is moving the system

: Fully uninstall the bundle, reboot, and then run the installer with Administrator rights to ensure it has the authority to create folders in C:\Users\Public\Documents\ Clean Reinstallation Uninstall all Soundtoys plugins via the Soundtoys Utilities or Windows "Add or Remove Programs". Manually delete any remaining folders at: C:\Users\Public\Documents\Soundtoys Reinstall using the latest version from your Soundtoys Account Root Cause Analysis Permission Blocks

Soundtoys requires specific default locations for its root folders. Ensure these paths are accessible and not blocked by symbolic links, which are not supported and can cause crashes. Windows Presets C:\Users\Public\Public Documents\Soundtoys\Soundtoys 5 macOS Presets /Users/Shared/Soundtoys/Soundtoys 5 3. Perform a "Clean" Reinstall

Soundtoys V5 Preset location, presets not saving and hardlinks

Are you seeing this error during the initial installation or when trying to save a preset within a plugin? AI responses may include mistakes. Learn more

Some users have found that moving their Windows "Temp" folder to a drive other than the system SSD causes this specific failure.

Soundtoys installers often use this directory for unpacking; if it’s on a different drive or partition, the folder creation script can fail. Separate 32-bit and 64-bit VST Paths