システムトレイアイコンの表示・非表示一覧に無限増殖するdgtrayicon.exeを一括削除するスクリプト

remove_dangling_dgtrayicons.bat

@echo off
pushd %~dp0
powershell -ExecutionPolicy Bypass -File ".\remove_dangling_dgtrayicons.ps1" %*
popd
pause

remove_dangling_dgtrayicons.ps1

# 削除対象のレジストリキーの情報
$registryRoot = "Registry::HKEY_CURRENT_USER\Control Panel\NotifyIconSettings"
$subkeyPropertyName = "ExecutablePath"
$subkeyPropertyValue = "\dgtrayicon.exe"

function Delete-MatchingSubkeys {
    param (
        [string]$registryRoot,
        [string]$subkeyPropertyName,
        [string]$subkeyPropertyValue
    )

    try {
        $subkeys = Get-Item -LiteralPath $registryRoot | Get-ChildItem | ForEach-Object { $_.PSChildName }

        foreach ($subkey in $subkeys) {
            $subkeyPath = Join-Path -Path $registryRoot -ChildPath $subkey
            $value = (Get-ItemProperty -LiteralPath $subkeyPath -Name $subkeyPropertyName).$subkeyPropertyName
            if ($value.EndsWith($subkeyPropertyValue)) {
                Write-Host "Remove: $subkeyPath"
                Remove-Item -LiteralPath $subkeyPath -Recurse -Force
            }
        }
    }
    catch {
        Write-Host "Error: $_"
    }
}

Delete-MatchingSubkeys -registryRoot $registryRoot -subkeyPropertyName $subkeyPropertyName -subkeyPropertyValue $subkeyPropertyValue