function Start-TuneUp {
        Re-apply Invoke-TunerQuickSetup configuration items
        Performs a subset of Invoke-TunerQuickSetup: Patching, Chocolatey Packages, and
        (optionally) PowerShell module updates, if -Full is used.
        Invokes PowerShell module check-up and updates (Invoke-TunerPSModuleCheck -UpdateAll)
        If omitted, invokes Chocolatey packages (Invoke-TunerChocoPackages) and Patching (Invoke-TunerPatching)
        Start-Tuneup -Full

    param (
        [parameter(Mandatory = $False, HelpMessage = "Run full tune-up")]
        [switch] $Full
    $regpath = 'HKCU:Software\Tuner'
    try {
        if (!(Test-AdminContext)) {
            throw "This function requires running PowerShell in Administrator context"
        Write-Verbose "reading defaults from registry"
        $key = Get-Item -Path $regpath -ErrorAction Stop
        $config = $key.GetValue('ConfigurationName')
        if ([string]::IsNullOrEmpty($config)) {
            Write-Warning "Invoke-TunerQuickSetup needs to be executed at least once before using this function"
        Write-Verbose "updating chocolatey packages"
        #Invoke-TunerChocoPackages -Configuration $config
        choco upgrade all -y
        if ($Full) {
            Write-Verbose "updating powershell modules"
            Invoke-TunerPSModuleCheck -UpdateAll
        Write-Verbose "checking for microsoft updates"
        Write-Verbose "updating registry timestamp"
        New-ItemProperty -Path $regpath -Name "LastRun" -Value (Get-Date) -Force
    } catch {
        Write-Error $Error[0].Exception.Message
    Write-Host "tune-up completed!" -ForegroundColor Green