or failures to start the HMI are sometimes caused by conflicts with other software like MELFA-Works . Renaming glut32.dll in the system folder is a known fix. Security Software Conflicts

Locate and rename or delete C:\Windows\SysWOW64\glut32.dll to allow the HMI to start correctly.

: Many "errors" are caused by security software blocking the SinuTrain workbench.