一 把Windows XP安装盘放入光驱，从开始菜单运行下面命令：rundll32.exe setupapi,installHinfSection Defaultinstall 132 %windir%/inf/ie.inf
二 打开“注册表编辑器”，找到[HKEY_LOCAL_ MACHINE＼SOFTWARE＼Microsoft＼Active Setup＼
Installed Components＼{89820200-ECBD-11cf-8B85-00AA005B4383}]，将IsInstalled的DWORD值改为0