: If you have moved your Windows Temp folder to a different drive, reset it to its original location: C:\Users\[Username]\AppData\Local\Temp Check Directory Permissions
The installer or plugin does not have administrative rights to create folders in the Public Documents (Windows) or Users/Shared (macOS) directories. Modified System Paths: If you have moved your Windows Temp folder cannot create soundtoys version root folder at soundtoys 5
Quick fixes to try now