readme.md

e-taxソフトでインストール失敗したときに消すヤツ

管理者権限でPowerShellを起動して実行

powershell -NoProfile -ExecutionPolicy Bypass -File .\etaxrm.ps1

etaxrm.ps1

[CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'High')]
param()

$ErrorActionPreference = 'Stop'

function Test-IsAdministrator {
    $currentIdentity = [Security.Principal.WindowsIdentity]::GetCurrent()
    $principal = New-Object Security.Principal.WindowsPrincipal($currentIdentity)
    return $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
}

if (-not (Test-IsAdministrator)) {
    throw "Run this script in an elevated PowerShell session."
}

if (-not [Environment]::Is64BitOperatingSystem) {
    throw "This script requires a 64-bit Windows OS."
}

$targets = @(
    @{
        Type  = 'Registry'
        Path  = 'HKLM:\SOFTWARE\Wow6432Node\nta'
        Label = 'HKLM\SOFTWARE\Wow6432Node\nta'
    },
    @{
        Type  = 'Directory'
        Path  = 'C:\Program Files (x86)\etax'
        Label = 'C:\Program Files (x86)\etax'
    },
    @{
        Type  = 'Directory'
        Path  = 'C:\Program Files (x86)\InstallShield Installation Information\{1ECF5EFF-BCDE-484C-A0A8-E4A86FEA3B59}'
        Label = 'C:\Program Files (x86)\InstallShield Installation Information\{1ECF5EFF-BCDE-484C-A0A8-E4A86FEA3B59}'
    }
)

Write-Host 'Checking targets...' -ForegroundColor Cyan

foreach ($target in $targets) {
    $exists = Test-Path -LiteralPath $target.Path
    if ($exists) {
        Write-Host "[FOUND] $($target.Label)" -ForegroundColor Yellow
    }
    else {
        Write-Host "[SKIP ] $($target.Label) (not found)" -ForegroundColor DarkGray
    }
}

Write-Host ''
Write-Host 'Starting removal...' -ForegroundColor Cyan

foreach ($target in $targets) {
    if (-not (Test-Path -LiteralPath $target.Path)) {
        continue
    }

    if ($PSCmdlet.ShouldProcess($target.Label, 'Remove')) {
        Remove-Item -LiteralPath $target.Path -Recurse -Force
        Write-Host "[DONE ] $($target.Label)" -ForegroundColor Green
    }
}

Write-Host ''
Write-Host 'Completed.' -ForegroundColor Green