Viewing Windows Update Files

Windows no longer writes logs entries for Windows Update to "C:\Windows\WindowsUpdate.log".  If you open the file you will see the following:

So if you run get-windowsupdatelog powershell cmdlet, the system will generate log files in your current working directory.

If you run this on a Windows 2016 server you might get the following:

To fix, search the c:\windows\winSxS folder for SymSrv.dll and copy it to: c:\Program Files\Windows Defender\

Next time you run the cmdlet your files will be generated.

However, this generates a file that is basically useless.  To get usable information you need to download the symbol files, etc...

You can view the following technet article for more information:

https://social.technet.microsoft.com/Forums/en-US/4e81956f-9ed0-4dc2-be75-8fb54d065768/windowsupdatelog-no-format-information-found?forum=win10itprogeneral