ie5.0 进入注册表,找到HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET TXPLORER 单击version vector主键.双击ie子键,将5.0002改为4.0后重启即可
ie6.0 进入注册表,找到HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Active setup\Intalled components\{89820200-ECBD-11CF-8B85-00AA005B4383}.将IsInstalled的DWord值改为0
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