If you previously attempted to conserve space on your primary SSD by moving your plugin presets to an external drive via , Soundtoys 5 will reject the installation path. The installer requires a native, physical local directory to build its preset database structure.
: If you have moved your Windows Temp folder to a drive other than the system drive (C:), the installer may fail. Resetting it to the default location ( C:\Users\[Username]\AppData\Local\Temp ) has resolved root folder and preset saving issues for many users. If you previously attempted to conserve space on
The Soundtoys development team has acknowledged that this error can be a bug in specific versions of their software. Reports indicate this issue was present in version 5.0.1, has been observed in v5.2, and similar "Problem creating User folder" errors have been reported in v5.4.1. This indicates that while the problem has lessened in recent versions, it can still surface in certain environments. This indicates that while the problem has lessened
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Manually delete any existing Soundtoys data paths. Verify your system matches the official Soundtoys Installation Paths : Operating System File Type / Component Default System Path VST3 Plugins C:\Program Files\Common Files\VST3\Soundtoys VST2 Plugins C:\Program Files\VSTPlugins\Soundtoys Preset Root Folder C:\Users\Public\Public Documents\Soundtoys\Soundtoys 5 macOS AudioUnits Macintosh HD / Library / Audio / Plug-ins / Components VST3 Plugins blocking local read/write access.
: Services like OneDrive or iCloud lock or relocate the default user folders, blocking local read/write access.
Right-click the folder (if it exists) or the Public Documents folder and select Properties . Uncheck the Read-only box at the bottom.