Error 0x800A0044

Value: -2146828220 | 0x800A0044 | 2148139076

What does it mean ?

CTL_E_DEVICEUNAVAILABLE  
DirectShow: The function attempted to access a device that was not available.
Value: 68 | 0x0044 | 0b0000000001000100

Where does it come from ?

FACILITY_CONTROL  
Used by OLE controls. You can find a complete list of the error codes in OLECTL.H - errors from: VB, VBScript, JScript, ADO, third party controls
Value: 10 | 0x00A | 0b00001010

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