你應該是沒上netbui吧
xp的安裝方法如下
good luck

ps:%SYSTEMROOT%是只c:\windows喔


Install NetBEUI on Windows XP
The files necessary for installing the NetBEUI protocol on Windows XP are Netnbf.inf and Nbf.sys. Complete the following steps to install NetBEUI:
Insert your Windows XP CD-ROM into the CD-ROM drive and browse to the Valueadd\MSFT\Net\NetBEUI folder.


Copy Nbf.sys to the %SYSTEMROOT%\System32\Drivers directory.


Copy Netnbf.inf to the %SYSTEMROOT%\Inf hidden directory.


Click Start , click Control Panel , and then double-click Network Connections .


Right-click the adapter you want to add NetBEUI to, and then click Properties .


On the General tab, click Install .


Click Protocol , and then click Add .


Click to select NetBEUI Protocol from the list and then click OK .


Restart your computer if you receive a prompt to complete the installation.


The NetBEUI protocol should now be installed and working.

NOTE : %SYSTEMROOT% is a Windows environment variable that identifies the directory where Windows XP is installed (for example, C:\Windows). To view the value associated with %SYSTEMROOT%, as well as other environment variables, at a command prompt, type set , and then press ENTER.