If you run DeMaSy with notifications in UAC, you may have this error: To solve this error, you need to create and give full control to the following folders for the user using DeMaSy on the PC: In a 32 bits operating system C:\Program Files\Silicon\DeMaSy C:\windows\system32\SDNA C:\windows\system32\SDNA.NET In a 64 bits operating system C:\Program Files … Continue reading DeMaSy and UAC (User Account Control)