fixa queste:
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O23 - Service: ##Id_String1.6844F930_1628_4223_B5CC_5BB94B879762# # (Bonjour Service) - Apple Computer, Inc. - C:\Programmi\Bonjour\mDNSResponder.exe

mmm come stai a gigabyte liberi sull'hd ?