求助！我电脑上网遇到大问题了！

到控制面版卸载并重起电脑后，再重新安装官方下载的360.
如果还不行，通常是系统本身某文件被替换后造成类似问题。你懂批处理的话，把下面命令做成批处理执行，可修复xp的系统文件问题

rundll32.exe advpack.dll /DelNodeRunDLL32 %systemroot%\System32\dacui.dll
rundll32.exe advpack.dll /DelNodeRunDLL32 %systemroot%\Catroot\icatalog.mdb
regsvr32 /s setupwbv.dll
regsvr32 /s wininet.dll
regsvr32 /s comcat.dll
regsvr32 /s shdoc401.dll
regsvr32 /s shdoc401.dll /i
regsvr32 /s asctrls.ocx
regsvr32 /s oleaut32.dll
regsvr32 /s shdocvw.dll /I
regsvr32 /s shdocvw.dll
regsvr32 /s browseui.dll
regsvr32 /s browseui.dll /I
regsvr32 /s msrating.dll
regsvr32 /s mlang.dll
regsvr32 /s hlink.dll
regsvr32 /s mshtml.dll
regsvr32 /s mshtmled.dll
regsvr32 /s urlmon.dll
regsvr32 /s plugin.ocx
regsvr32 /s sendmail.dll
regsvr32 /s comctl32.dll /i
regsvr32 /s inetcpl.cpl /i
regsvr32 /s mshtml.dll /i
regsvr32 /s scrobj.dll
regsvr32 /s mmefxe.ocx
re