自动化卸载指定.NET及Desktop Runtime包遇阻求助

目标卸载组件 #

-.NET Host FX Resolver (x64 + x86)
-.NET Host Host (x64 + x86)
-.NET Runtime (x64 + x86)
-ASP.NET Core 6.0.18 共享框架 (x64 + x86)
-ASP.NET Core 6.0.18 托管捆绑选项
-Windows Desktop Runtime (x64 + x86)

已尝试无效的操作 #

• 通过CSV批量调用Msiexec.exe /X $dir $arguments，无报错但组件残留于「添加或删除程序」
• 使用Get-Package -Name “6.0.18” -AllVersions | Uninstall-Package，执行成功但残留未清除
• 尝试dotnet-core-uninstall-1.6.0工具，无法识别全部目标包，且不愿额外安装工具

方法1：通过产品代码精准卸载 #

.NET组件的卸载需依赖MSI产品代码而非文件路径，以下两种方式可获取并执行卸载：

方式A：通过WMI获取产品代码（适用于所有MSI安装的组件）

# 筛选出所有含6.0.18的.NET相关组件
$targetPackages = Get-WmiObject -Class Win32_Product | Where-Object {
    $_.Name -match "6.0.18" -and $_.Name -match "\.NET|ASP\.NET|Windows Desktop Runtime"
}

# 静默卸载每个组件，/qn表示无交互，/norestart避免强制重启
foreach ($pkg in $targetPackages) {
    Write-Host "正在卸载: $($pkg.Name)"
    Start-Process msiexec.exe -ArgumentList "/X $($pkg.IdentifyingNumber) /qn /norestart" -Wait -NoNewWindow
}

方式B：通过注册表获取产品代码（更高效，无MSI验证开销）

# 遍历x64和x86的卸载注册表路径
$regPaths = @(
    "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*",
    "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*"
)

# 提取目标组件的产品代码
$productCodes = Get-ItemProperty -Path $regPaths | Where-Object {
    $_.DisplayName -match "6.0.18" -and $_.DisplayName -match "\.NET|ASP\.NET|Windows Desktop Runtime" -and $_.UninstallString -match "msiexec"
} | Select-Object DisplayName, @{Name="ProductCode"; Expression={$_.UninstallString -replace "msiexec.exe /X", "" -replace " /.*", ""}}

# 执行卸载
foreach ($item in $productCodes) {
    Write-Host "正在卸载: $($item.DisplayName)"
    Start-Process msiexec.exe -ArgumentList "/X $($item.ProductCode.Trim()) /qn /norestart" -Wait -NoNewWindow
}

方法2：清理「添加或删除程序」残留项 #

卸载后若仍有残留，直接清理对应注册表项：

$regPaths = @(
    "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*",
    "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*"
)

Get-ItemProperty -Path $regPaths | Where-Object {
    $_.DisplayName -match "6.0.18" -and $_.DisplayName -match "\.NET|ASP\.NET|Windows Desktop Runtime"
} | ForEach-Object {
    Write-Host "删除残留注册表项: $($_.PSPath)"
    Remove-Item -Path $_.PSPath -Recurse -Force -ErrorAction SilentlyContinue
}

方法3：清理残留文件目录 #

卸载后手动删除.NET 6.0.18的共享框架目录：

$targetDirs = @(
    "${env:ProgramFiles}\dotnet\shared\Microsoft.NETCore.App\6.0.18",
    "${env:ProgramFiles(x86)}\dotnet\shared\Microsoft.NETCore.App\6.0.18",
    "${env:ProgramFiles}\dotnet\shared\Microsoft.AspNetCore.App\6.0.18",
    "${env:ProgramFiles(x86)}\dotnet\shared\Microsoft.AspNetCore.App\6.0.18",
    "${env:ProgramFiles}\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.18",
    "${env:ProgramFiles(x86)}\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.18"
)

foreach ($dir in $targetDirs) {
    if (Test-Path $dir) {
        Write-Host "删除残留目录: $dir"
        Remove-Item -Path $dir -Recurse -Force -ErrorAction SilentlyContinue
    }
}

内容的提问来源于stack exchange，提问作者usteve94