Requires -RunAsAdministrator

$SageSet = "StateFlags0099"
$Base = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\"
$Locations= @(
    "Active Setup Temp Folders"
    "BranchCache"
    "Downloaded Program Files"
    "GameNewsFiles"
    "GameStatisticsFiles"
    "GameUpdateFiles"
    "Internet Cache Files"
    "Memory Dump Files"
    "Offline Pages Files"
    "Old ChkDsk Files"
    "D3D Shader Cache"
    "Delivery Optimization Files"
    "Diagnostic Data Viewer database files"
    #"Previous Installations"
    #"Recycle Bin"
    "Service Pack Cleanup"
    "Setup Log Files"
    "System error memory dump files"
    "System error minidump files"
    "Temporary Files"
    "Temporary Setup Files"
    "Temporary Sync Files"
    "Thumbnail Cache"
    "Update Cleanup"
    "Upgrade Discarded Files"
    "User file versions"
    "Windows Defender"
    "Windows Error Reporting Archive Files"
    "Windows Error Reporting Queue Files"
    "Windows Error Reporting System Archive Files"
    "Windows Error Reporting System Queue Files"
    "Windows ESD installation files"
    "Windows Upgrade Log Files"
)

# -ea silentlycontinue will supress error messages
ForEach($Location in $Locations) {
    Set-ItemProperty -Path $($Base+$Location) -Name $SageSet -Type DWORD -Value 2 -ea silentlycontinue | Out-Null
}

# Do the clean-up. Have to convert the SageSet number
$Args = "/sagerun:$([string]([int]$SageSet.Substring($SageSet.Length-4)))"
Start-Process -Wait "$env:SystemRoot\System32\cleanmgr.exe" -ArgumentList $Args

# Remove the Stateflags
ForEach($Location in $Locations)
{
    Remove-ItemProperty -Path $($Base+$Location) -Name $SageSet -Force -ea silentlycontinue | Out-Null
}