Error 0x80040209

Value: -2147220983 | 0x80040209 | 2147746313

What does it mean ?

EVENT_E_TOO_MANY_METHODS  
An interface has too many methods to fire events from
Value: 521 | 0x0209 | 0b0000001000001001
VFW_E_NOT_CONNECTED  
DirectShow: The operation cannot be performed because the pins are not connected.
Value: 521 | 0x0209 | 0b0000001000001001
CDO_E_NO_DEFAULT_DROP_DIR  
No default drop directory has been configured for this server.
Value: 521 | 0x0209 | 0b0000001000001001
MPEG2_E_SERVICE_PMT_NOT_FOUND  
Value: 521 | 0x0209 | 0b0000001000001001
TF_E_READONLY  
The edit context is read-only.
Value: 521 | 0x0209 | 0b0000001000001001
TS_E_READONLY  
Text Store: Document is read-only. Cannot modify content.
Value: 521 | 0x0209 | 0b0000001000001001
UPNP_E_OUT_OF_SYNC  
Invalid Sequence Number
Value: 521 | 0x0209 | 0b0000001000001001

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