Public/Remove-InstalledUpdate.ps1
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Function Remove-InstalledUpdate{ [cmdletBinding()] Param( [Parameter(Mandatory,Position=0,ValueFromPipeline,ValueFromPipelineByPropertyName)] [Alias('KBNumber')] [String[]] $KB ) $session = New-Object -ComObject Microsoft.Update.Session $Installer = $session.CreateUpdateInstaller() $Searcher = $session.CreateUpdateSearcher() $Searcher.QueryHistory(0,$Searcher.GetTotalHistoryCount()) | Where-Object { $_.Title -match $KB } | ForEach-Object { Write-Verbose "Found update history entry $($_.Title)" $SearchResult = $Searcher.Search("UpdateID='$($_.UpdateIdentity.UpdateID)' and RevisionNumber=$($_.UpdateIdentity.RevisionNumber)") Write-Verbose "Found $($SearchResult.Updates.Count) update entries" if($SearchResult.Updates.Count -gt 0) { $Installer.Updates = $SearchResult.Updates $Installer.Uninstall() $Installer | Select-Object -Property ResultCode,RebootRequired,Exception } } } |