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新装Windows11的VS2022无法打开.NET4.7 C#解决方案求助

无法在VS 2022中打开目标框架为.NET 4.7的C#解决方案

新装Windows 11设备上使用VS 2022打开目标框架为.NET 4.7的C#解决方案时,弹出如下报错:
报错提示

由于无法更改项目目标框架版本,已安装.NET 4.7.2,但重新打开解决方案后问题仍然存在。

相关命令查询结果

dotnet --info输出

.NET SDK:
 Version:   7.0.304
 Commit:    7e794e2806

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.22621
 OS Platform: Windows
 RID:         win10-arm64
 Base Path:   C:\Program Files\dotnet\sdk\7.0.304\

Host:
  Version:      7.0.7
  Architecture: arm64
  Commit:       5b20af47d9

.NET SDKs installed:
  7.0.304 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.App 6.0.18 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 7.0.7 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 6.0.18 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 7.0.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.WindowsDesktop.App 6.0.18 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 7.0.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Other architectures found:
  x64   [C:\Program Files\dotnet\x64]
    registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x64\InstallLocation]
  x86   [C:\Program Files (x86)\dotnet]
    registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]

Environment variables:
  Not set

global.json file:
  Not found

Learn more:
  https://aka.ms/dotnet/info

Download .NET:
  https://aka.ms/dotnet/download

reg query "HKLM\SOFTWARE\Microsoft\Net Framework Setup\NDP" /s输出

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\CDF

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\CDF\v4.0
    HttpNamespaceReservationInstalled    REG_DWORD    0x1
    NetTcpPortSharingInstalled    REG_DWORD    0x1
    NonHttpActivationInstalled    REG_DWORD    0x1
    SMSvcHostPath    REG_SZ    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\
    WMIInstalled    REG_DWORD    0x1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\v4

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\v4\Client
    CBS    REG_DWORD    0x1
    Install    REG_DWORD    0x1
    InstallPath    REG_SZ    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\
    Release    REG_DWORD    0x82348
    Servicing    REG_DWORD    0x0
    TargetVersion    REG_SZ    4.0.0
    Version    REG_SZ    4.8.09032

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\v4\Client\1033
    CBS    REG_DWORD    0x1
    Install    REG_DWORD    0x1
    Release    REG_DWORD    0x82348
    Servicing    REG_DWORD    0x0
    TargetVersion    REG_SZ    4.0.0
    Version    REG_SZ    4.8.09032

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\v4\Full
    CBS    REG_DWORD    0x1
    Install    REG_DWORD    0x1
    InstallPath    REG_SZ    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\
    Release    REG_DWORD    0x82348
    Servicing    REG_DWORD    0x0
    TargetVersion    REG_SZ    4.0.0
    Version    REG_SZ    4.8.09032

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\v4\Full\1033
    CBS    REG_DWORD    0x1
    Install    REG_DWORD    0x1
    Release    REG_DWORD    0x82348
    Servicing    REG_DWORD    0x0
    TargetVersion    REG_SZ    4.0.0
    Version    REG_SZ    4.8.09032

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\v4.0
    (Default)    REG_SZ    deprecated

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Net Framework Setup\NDP\v4.0\Client
    Install    REG_DWORD    0x1
    Version    REG_SZ    4.0.0.0

解决建议

  • 安装VS 2022对应组件:打开Visual Studio Installer,选择“修改”,在“单个组件”列表中找到并勾选“.NET Framework 4.7 开发工具”,完成安装后重启VS。
  • 调整项目平台目标:右键解决方案→属性→配置属性,将平台目标设置为x64或Any CPU(避免选择ARM64,因为.NET Framework 4.7无ARM64原生版本)。
  • 修复VS 2022安装:打开Visual Studio Installer,选择“修复”选项,修复可能损坏的安装文件。
  • 重新安装.NET Framework 4.7.2:手动下载x64版本的.NET Framework 4.7.2覆盖安装,完成后重试打开解决方案。

内容的提问来源于stack exchange,提问作者OJNSim

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最近更新时间:2026.07.17 17:32:05