windows Installer没有正确安装
先用记事本编写如下内容，并保存为 installer.reg 格式文件，双击将文件导入注册表；
运行“CMD”命令提示符，输入“msiexec /regserver”并回车；
无须重新启动，即刻搞掂！
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer] "ImagePath"=- "ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\ 74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\ 00,73,00,69,00,65,00,78,00,65,00,63,00,2e,00,65,00,78,00,65,00,20,00,2f,00,\ 56,00,00,00 ; ImagePath = %SystemRoot%\System32\msiexec.exe /V
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