Which (ifm, Siemens, etc.) are you connecting to? Are you getting a specific error code (like 0x8007007E )? Unable to load DLL (Module could not be found HRESULT
When this file is missing, corrupt, or incompatible, you may encounter system errors, particularly on ASUS laptops and desktops, such as "asintegrationdll.dll not found," "the specified module could not be found," or application crashes during startup. asintegrationdll.dll