Class not available

The class factory for the requested CLSID is no longer available. Returned when a DLL class factory is unloaded while an object creation attempt is in progress.

References

learn.microsoft.com/en-us/windows/win32/com/error-handling-in-com

In this namespace

— start of namespace —

next → CLASS_E_NOAGGREGATION Class does not support aggregation

CLASS_E_CLASSNOTAVAILABLE CLASS_E_NOAGGREGATION CO_E_ALREADYINITIALIZED CO_E_CREATEPROCESSFAILED CO_E_NOTINITIALIZED D2DERR_INVALID_CALL