Error 0x8024500B

Value: -2145103861 | 0x8024500B | 2149863435

What does it mean ?

WU_E_REDIRECTOR_SLS_GENERIC_ERROR   
There was an error in connecting to or parsing the response from the Service Locator Service redirector server.
Value: 20491 | 0x500B | 0b0101000000001011

Where does it come from ?

FACILITY_WINDOWSUPDATE  
Windows update
Value: 36 | 0x024 | 0b00100100

Other Errors for FACILITY_WINDOWSUPDATE