Unfortunately this appears to be a very common error number! I’ve scoured around Mirosoft Support forums and I found a few things talked about. Windows update could not be installed because of error 2149842967 “” (Command line: “”C:\Windows\SysWOW64\wusa.exe” “C:\Users\Mike\AppData\Local\Temp\Windows6.1-KB958559-圆4-RefreshPkg.msu” “)