Does this look like I have a bad copy of wusa.exe on my installation media? Logfile from sfc /scannow 2016-05-02 22:15:11, Info CSI 000002eb [SR] Cannot repair member file [l:16{8}]"wusa.exe" of Microsoft-Windows-WUSA, Version = 6.1.7601.17514, pA = PROCESSOR_ARCHITECTURE_INTEL (0), Culture...