修复
O2 - BHO: yPhtb - {33BBE430-0E42-4f12-B075-8D21ACB10DCB} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yphtb.dll
O2 - BHO: YDragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\YDRAGS~1.DLL
O2 - BHO: AssistHelper - {FE3ECAE7-0A37-4506-8A7D-3CC9A04D2CA8} - C:\PROGRA~1\Yahoo!\Assistant\Assist\yassist.dll
把雅虎删了。“流氓软件”
