Windows Patches needed

Hi @Mike Suding

I have found that sometimes it is possible to get a false $DayDiff when going by the most recently installed update. I found an example on a server where an older roll-up was installed recently and the returned date was way in the past. So, I'm using the following method, which so far has been returning the expected results:
 

    $LAST_UPDATE_KEY_PATH = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results\Detect"

    If (Test-Path -Path $LAST_UPDATE_KEY_PATH)
    {
      $lastSuccessTime = [datetime](Get-ItemProperty -Path $LAST_UPDATE_KEY_PATH -name "LastSuccessTime").LastSuccessTime
          
      $DayDiff = $(New-TimeSpan -start $lastSuccessTime).Days
    }
    else
    {
      $DayDiff = -1
    }