Error 0x8004020A

Value: -2147220982 | 0x8004020A | 2147746314

What does it mean ?

EVENT_E_MISSING_EVENTCLASS  
A subscription cannot be stored unless its event class already exists
Value: 522 | 0x020A | 0b0000001000001010
VFW_E_NO_ALLOCATOR  
DirectShow: No sample buffer allocator is available.
Value: 522 | 0x020A | 0b0000001000001010
CDO_E_SMTP_SERVER_REQUIRED  
The SMTP server name is required, and was not found in the configuration source.
Value: 522 | 0x020A | 0b0000001000001010
MPEG2_E_DSI_NOT_FOUND  
Value: 522 | 0x020A | 0b0000001000001010
TF_E_FORMAT  
Context owner cannot handle objects of the type provided by the pDataObject parameter.
Value: 522 | 0x020A | 0b0000001000001010
TS_E_FORMAT  
Text Store: Application does not support the data type contained in the IDataObject object to be inserted using ITextStoreACP::InsertEmbedded.
Value: 522 | 0x020A | 0b0000001000001010

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF