Error 0x8024201C

Value: -2145116132 | 0x8024201C | 2149851164

What does it mean ?

WU_E_UH_DECRYPTFAILURE   
The handler failed to decrypt the update files.
Value: 8220 | 0x201C | 0b0010000000011100

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE