Ensure your Temp environment variable points to: C:\Users\_your_user_name_\AppData\Local\Temp .
: If you previously used symbolic links (hardlinks) to move presets to another drive, the installer may still be looking for those non-existent paths, leading to a creation failure. DAW Blacklisting
have found that resetting the Windows Temp folder to its default location ( C:\Users\[YourUsername]\AppData\Local\Temp ) often resolves this. Check Permissions & Antivirus
Using hardlinks or symbolic links for these folders can also confuse the Soundtoys installer. 3. Check for Antivirus Interference
Here is a technical overview and troubleshooting guide regarding the "Cannot create Soundtoys version root folder at Soundtoys 5 hot" error.