MATLAB: MLApp Class not registered error

class not registeredMATLABmlappvs.net

Hi All,
I am writing a program and calling MATLAB from VS.net C#.
The had worked well until yesterday.
Since yesterday I get following error(unhandled exception during runtime)
at the line MLAppMLApp.MLApp matlab = new MLApp.MLApp();
the error is :
System.Runtime.InteropServices.COMException: 'Retrieving the COM class factory for component with CLSID {0C4A9B69-D348-4167-8456-C60532821B6E} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).'
Anyone knows how to solve this problem?

Best Answer

Hi Again,
I could solve my problem by using same malab release on the VS application.
The problem was that the COM was registered but the release was different from the
COm that my program in the VS.net was using.
Thanks Matlab support :)
Mostafa
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