Simplix_sot.dll -

It frequently serves as a library for mathematical "Simplex" algorithms or user interface components.

Right-click the file (if you can find it) and select Properties . Check the "Digital Signatures" tab to see the verified developer. Simplix_sot.dll

Since the name is non-standard, use a tool like Malwarebytes to ensure it isn't a malicious file masquerading as a system component. It frequently serves as a library for mathematical