How to solve COM Exception Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))?

Question

When I try to create a instance of a COM class it throws an exception as

Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))

Please suggest how could i solve it?

Answer 1

You need to make sure all of your assemblies are compiling for the correct architecture. Try changing the architecture for x86 if reinstalling the COM component doesn't work.