Com object was giving error like this:-
Problem isolating COM reference 'CERTENROLLLib': Registry key 'HKEY_CLASSES_ROOT\CLSID\{884e2049-217d-11da-b2a4-000e7bbb2b09}\InProcServer32' is missing value '(Default)'.
Solution we found
Add references of CERTENROLLLib.dll
If reference added be sure In References > Certenrolllib > properties > Isolated marked as False.
Problem isolating COM reference 'CERTENROLLLib': Registry key 'HKEY_CLASSES_ROOT\CLSID\{884e2049-217d-11da-b2a4-000e7bbb2b09}\InProcServer32' is missing value '(Default)'.
Solution we found
Add references of CERTENROLLLib.dll
If reference added be sure In References > Certenrolllib > properties > Isolated marked as False.