有朋友安装VMware Workstation时出现报错，提示the msi failed等信息，原来他以前安装过绿色版、优化版的VM，但删掉后重装VM就会有这样的报错提示，如果你也遇到了相同的困扰，使用本虚拟机安装教程为你提供的解决办法即可解决问题。
VMware易于操作，但是就是卸载不干净，我们只要清理部分注册表项，就能解决 vmware 安装时出现的 The MSI “” failed....错误。
点击这里可下载 VMware Workstation 虚拟机。
VMware Workstation卸载清理批处理命令：
echo off
cls
echo "flag">>%windir%\system32\test.log
if not exist %windir%\system32\test.log (
cls
echo 请右键使用管理员身份运行！！！
pause
exit
)
cls
echo. 确认进行清理？
pause
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\VMware, Inc." /f >nul 2>nul
reg delete "HKEY_CURRENT_USER\SOFTWARE\VMware, Inc." /f >nul 2>nul
reg delete "HKCR\Installer\Products\7A26F0EA2A1AF704F9C48439B99DDAD8" /f >nul 2>nul
reg delete "HKCR\Installer\Products\0C6B325AF07E1AF439D3AD4079F106F7" /f >nul 2>nul
reg delete "HKCR\Installer\Products\A57F49D06AE015943BFA1B54AFE9506C" /f >nul 2>nul
reg delete "HKCR\Installer\Features\7A26F0EA2A1AF704F9C48439B99DDAD8" /f >nul 2>nul
reg delete "HKCR\Installer\Features\7A79579133DA8984D9E8376086814B46" /f >nul 2>nul
reg delete "HKCR\Installer\Features\A116201D664610145AD115603930CA56" /f >nul 2>nul
reg delete "HKCR\Installer\Features\BC78C1BA70810FC44B2CEC1EC481DC4B" /f >nul 2>nul
reg delete "HKCR\Installer\Features\C3839DFF5D1079849A4534FA95A9DE03" /f >nul 2>nul
reg delete "HKCR\Installer\Features\DBBFB30076C6E9142AD4D0ACCFA32594" /f >nul 2>nul
reg delete "HKCR\Installer\Products\7A79579133DA8984D9E8376086814B46" /f >nul 2>nul
reg delete "HKCR\Installer\Products\A116201D664610145AD115603930CA56" /f >nul 2>nul
reg delete "HKCR\Installer\Products\BC78C1BA70810FC44B2CEC1EC481DC4B" /f >nul 2>nul
reg delete "HKCR\Installer\Products\C3839DFF5D1079849A4534FA95A9DE03" /f >nul 2>nul
reg delete "HKCR\Installer\Products\DBBFB30076C6E9142AD4D0ACCFA32594" /f >nul 2>nul
reg delete "HKCR\Installer\Products\7A26F0EA2A1AF704F9C48439B99DDAD8" /f >nul 2>nul
reg delete "HKCR\Installer\Products\7A79579133DA8984D9E8376086814B46" /f >nul 2>nul
reg delete "HKCR\Installer\Products\A116201D664610145AD115603930CA56" /f >nul 2>nul
reg delete "HKCR\Installer\Products\BC78C1BA70810FC44B2CEC1EC481DC4B" /f >nul 2>nul
reg delete "HKCR\Installer\Products\C3839DFF5D1079849A4534FA95A9DE03" /f >nul 2>nul
reg delete "HKCR\Installer\Products\DBBFB30076C6E9142AD4D0ACCFA32594" /f >nul 2>nul
reg
delete
"HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\7A26F0EA2A1AF704F9C48439B99DDAD8"
/f >nul 2>nul
reg delete
"HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\7A79579133DA8984D9E8376086814B46"
/f >nul 2>nul
reg delete
"HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\A116201D664610145AD115603930CA56"
/f >nul 2>nul
reg delete
"HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\BC78C1BA70810FC44B2CEC1EC481DC4B"
/f >nul 2>nul
reg delete
"HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\C3839DFF5D1079849A4534FA95A9DE03"
/f >nul 2>nul
reg delete
"HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\DBBFB30076C6E9142AD4D0ACCFA32594"
/f >nul 2>nul
echo 清理完成！
pause
新建txt文档，把上面的文字内容复制进去，保存，把文件名称的 .txt后缀 改成 .bat 后缀格式的文件，用管理员身份运行即可。
安装VMware Workstation提示the msi failed的解决办法
原文：http://www.cnblogs.com/hbmlml/p/4019853.html