QQ被禁用了

今天由于误操作QQ被防火墙禁用了要怎样才能打开呀。详细内容2008-12-06 08:43:15, 系统禁止本地MFC42.DLL发送UDP数据包,地址为:0.0.0.0:4000[QQ聊天] => 219.133.60.72:8000[QQ聊天]程序名称为:D:\PROGRAM FILES\Tencent\QQX\QQ.exe>>D:\Program Files\Tencent\QQX\MFC42.DLL
详细内容2008-12-06 08:44:50, 系统禁止本地MFC42.DLL开放本地端口的请求,地址为:UDP, 0.0.0.0:4000[QQ聊天]程序名称为:D:\PROGRAM FILES\Tencent\QQX\NETREPAIR.EXE>>D:\Program Files\Tencent\QQX\MFC42.DLL
详细内容2008-12-06 08:46:07, 系统禁止本地MFC42.DLL开放本地端口的请求,地址为:UDP, 0.0.0.0:4000[QQ聊天]程序名称为:D:\PROGRAM FILES\Tencent\QQX\QQ.exe>>D:\Program Files\Tencent\QQX\MFC42.DLL

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