e seguido todos los pasos pero como tengo el ccleaner,le e utilizado para limpiar los registros.
muchisimas gracias de verdad.
aqui lo que me pone el kaspery :

Scan Statistics:
Total number of scanned objects: 33596
Number of viruses found: 0
Number of infected objects: 0 / 0
Number of suspicious objects: 0
Duration of the scan process: 00:40:59

Infected Object Name / Virus Name / Last Action
C:\Archivos de programa\ESET\logs\virlog.dat Object is locked skipped
C:\Archivos de programa\ESET\logs\warnlog.dat Object is locked skipped
C:\Archivos de programa\Softwin\BitDefender9\asdict.dat Object is locked skipped
C:\Documents and Settings\All Users\Datos de programa\Microsoft\Network\Downloader\qmgr0.dat Object is locked skipped
C:\Documents and Settings\All Users\Datos de programa\Microsoft\Network\Downloader\qmgr1.dat Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Archivos temporales de Internet\Content.IE5\ID3CPKFY\popup[1].htm Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Archivos temporales de Internet\Content.IE5\ID3CPKFY\popup[2].htm Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Archivos temporales de Internet\Content.IE5\index.dat Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Archivos temporales de Internet\Content.IE5\NR1VBPCK\popup[1].htm Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Archivos temporales de Internet\Content.IE5\OPYB8HE3\popup[1].htm Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat.LOG Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Historial\History.IE5\index.dat Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Historial\History.IE5\MSHist0120061210200612 11\index.dat Object is locked skipped
C:\Documents and Settings\elena\Configuración local\Temp\Perflib_Perfdata_1694.dat Object is locked skipped
C:\Documents and Settings\elena\Cookies\index.dat Object is locked skipped
C:\Documents and Settings\elena\ntuser.dat Object is locked skipped
C:\Documents and Settings\elena\NTUSER.DAT.LOG Object is locked skipped
C:\Documents and Settings\LocalService\Configuración local\Archivos temporales de Internet\Content.IE5\index.dat Object is locked skipped
C:\Documents and Settings\LocalService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat Object is locked skipped
C:\Documents and Settings\LocalService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat.LOG Object is locked skipped
C:\Documents and Settings\LocalService\Configuración local\Historial\History.IE5\index.dat Object is locked skipped
C:\Documents and Settings\LocalService\Cookies\index.dat Object is locked skipped
C:\Documents and Settings\LocalService\NTUSER.DAT Object is locked skipped
C:\Documents and Settings\LocalService\ntuser.dat.LOG Object is locked skipped
C:\Documents and Settings\NetworkService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat Object is locked skipped
C:\Documents and Settings\NetworkService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat.LOG Object is locked skipped
C:\Documents and Settings\NetworkService\NTUSER.DAT Object is locked skipped
C:\Documents and Settings\NetworkService\ntuser.dat.LOG Object is locked skipped
C:\System Volume Information\MountPointManagerRemoteDatabase Object is locked skipped
C:\WINDOWS\Debug\PASSWD.LOG Object is locked skipped
C:\WINDOWS\SchedLgU.Txt Object is locked skipped
C:\WINDOWS\SoftwareDistribution\EventCache\{5ECE3A DD-851A-4447-8D26-FC5FD097EC1E}.bin Object is locked skipped
C:\WINDOWS\SoftwareDistribution\ReportingEvents.lo g Object is locked skipped
C:\WINDOWS\Sti_Trace.log Object is locked skipped
C:\WINDOWS\system32\CatRoot2\edb.log Object is locked skipped
C:\WINDOWS\system32\CatRoot2\edbtmp.log Object is locked skipped
C:\WINDOWS\system32\CatRoot2\tmp.edb Object is locked skipped
C:\WINDOWS\system32\config\AppEvent.Evt Object is locked skipped
C:\WINDOWS\system32\config\default Object is locked skipped
C:\WINDOWS\system32\config\default.LOG Object is locked skipped
C:\WINDOWS\system32\config\SAM Object is locked skipped
C:\WINDOWS\system32\config\SAM.LOG Object is locked skipped
C:\WINDOWS\system32\config\SecEvent.Evt Object is locked skipped
C:\WINDOWS\system32\config\SECURITY Object is locked skipped
C:\WINDOWS\system32\config\SECURITY.LOG Object is locked skipped
C:\WINDOWS\system32\config\software Object is locked skipped
C:\WINDOWS\system32\config\software.LOG Object is locked skipped
C:\WINDOWS\system32\config\SysEvent.Evt Object is locked skipped
C:\WINDOWS\system32\config\system Object is locked skipped
C:\WINDOWS\system32\config\system.LOG Object is locked skipped
C:\WINDOWS\system32\wbem\Repository\FS\INDEX.BTR Object is locked skipped
C:\WINDOWS\system32\wbem\Repository\FS\INDEX.MAP Object is locked skipped
C:\WINDOWS\system32\wbem\Repository\FS\MAPPING.VER Object is locked skipped
C:\WINDOWS\system32\wbem\Repository\FS\MAPPING1.MA P Object is locked skipped
C:\WINDOWS\system32\wbem\Repository\FS\MAPPING2.MA P Object is locked skipped
C:\WINDOWS\system32\wbem\Repository\FS\OBJECTS.DAT A Object is locked skipped
C:\WINDOWS\system32\wbem\Repository\FS\OBJECTS.MAP Object is locked skipped
C:\WINDOWS\Temp\tmp0000623c\tmp00000000 Object is locked skipped
C:\WINDOWS\wiadebug.log Object is locked skipped
C:\WINDOWS\wiaservc.log Object is locked skipped
C:\WINDOWS\WindowsUpdate.log Object is locked skipped