求助：关于Tornado2.2 for Pentium 的安装问题

我在安装Tornado2.2 for Pentium 时，点击安装，显示：
To update system file MSVCRT.DLL setup needs to reboot your system now .
setup will resume after the reboot. please save any work-in-progress,and
press OK to continue.

after reboot,
the system can't fine the path specified.
Setup failed to copy and move the file .\X86\WIN32\msvcrt.dll  to  D:\WINNT\msvcrt.dll。。。。。。
这是什么原因啊？请各位大哥帮帮我，多谢了！