Using VB 6.0 Form in .net which is embeded in a DLL

Question

i have a DLL of a VB 6 Project that has one class n a form............. the form is called from that class when its constructor is called..........i maked DLL on whole project......add that DLL in my .NET project references.....now when i call that class of that DLL.....it give following error

Creating an instance of the COM component with CLSID {4E44E1A1-391D-4846-B733-2618249FE35A} from the IClassFactory failed due to the following error: 800a0196.

Means .....the form is not opening