This will kick off the Windows Update Troubleshooter process and attempt to report back results of the process into the activity log.
Remediation Code
$tsp = Get-TroubleshootingPack C:\Windows\diagnostics\system\WindowsUpdate
Invoke-TroubleshootingPack -Pack $tsp -AnswerFile .\WUDAnswers.xml -Unattended -Result $env:HomeDrive\WUDResult
[xml]$xml = Get-Content $env:HomeDrive\WUDResult\ResultReport.xml
$xml.ResultReport.Package.Problem.DetectionInformation.DetailedInformation.Detail.Contents.Objects.Object | % { write-output $_.'#text';write-output ". " }