Some security software (like Windows Defender "Controlled Folder Access" or Bitdefender) views any attempt to create folders in the root directory as a potential threat.
If the installer cannot create the folder, create it manually.
This error typically appears during the installation process, preventing you from using your paid software. The message is misleading because it points to a "link" (a symbolic link or junction) rather than a standard folder, leaving even experienced users confused.
If you are a music producer, mixing engineer, or audio post-production specialist, you likely rely on Soundtoys 5 for its legendary effects like EchoBoy, Decapitator, and Little AlterBoy. However, few things grind a session to a halt faster than a cryptic installation error.
Windows users are more likely to encounter this issue due to file system permission complexities and cloud syncing. 1. Fix OneDrive/Documents Sync Conflict The message is misleading because it points to
Re-run the SoundToys 5 installer.
: Delete any "Soundtoys" folders in C:\Program Files\Common Files\VST3 or C:\Program Files\VstPlugins .
: Remove the Soundtoys folder from /Library/Application Support/ and the "InstalledAAXPlugIns" file from ~/Library/Preferences/Avid/ProTools if using Pro Tools.
Background software (shell extensions, security tools) can interfere. Windows users are more likely to encounter this
To speed up Solid State Drives (SSDs) or save space, many music producers redirect their Windows temporary storage folders to a secondary hard drive (like D:\Temp ). The Soundtoys installer heavily relies on the default system pathing structure. When these environment variables are moved away from the main operating system boot drive, the application fails to resolve its root installation link. 2. User Account Control (UAC) & Folder Permissions
Select them, click , and change their values back to the default Windows path: C:\Users\ \AppData\Local\Temp Click OK to apply changes and restart your computer. Step 2: Clean and Reinstall via Official Installers
: If you have previously moved your plugin or preset folders using symbolic links (shortcuts) to a different drive, the installer may fail to resolve the path.
: A ghost folder or conflicting file path misleads Soundtoys, causing it to look for its data in the wrong place. security tools) can interfere.
Soundtoys requires its folders to be physical directories on the drive, not shortcuts or links.
If the error persists, a "clean" reinstall is often recommended by Soundtoys support: Delete Existing Folders
Ensure your primary preset path points strictly to your local system drive: C:\Users\Public\Documents\Soundtoys\Soundtoys 5