Error 0x800A004B

Value: -2146828213 | 0x800A004B | 2148139083

What does it mean ?

CTL_E_PATHFILEACCESSERROR  
DirectShow: The function attempted to access a file or path that was incorrect or had the wrong permissions.
Value: 75 | 0x004B | 0b0000000001001011

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

Other Errors for FACILITY_CONTROL