Sir, i am a mechanical Ph.D student and i am attempting to develop a programme for my Ph.D.where in that progarmme their is no error but when i run that programme one error comes that is "Retrieving the COM class factory for component with CLSID {31230FF8-E725-11D0-BC84-00A024BA1088} failed due to the following error: 80040154.". then i cnot do any thingh will u tell me what should i do for it. my EmaiID is mmpawade@gmail. com