[Resolvido] &nbspNão Consigo Instalar Nenhum Antivirus

Não consigo instalar nenhum antivírus, já passei o F - Secure BlackLight e nada foi encontrado, no HJT detectou algo que já removi mas o problema persiste. Segue log do HJT:

C:\WINDOWS\System32\smss.exe

C:\WINDOWS\system32\winlogon.exe

C:\WINDOWS\system32\services.exe

C:\WINDOWS\system32\lsass.exe

C:\WINDOWS\system32\svchost.exe

C:\WINDOWS\System32\svchost.exe

C:\WINDOWS\Explorer.EXE

C:\WINDOWS\system32\spoolsv.exe

C:\WINDOWS\SOUNDMAN.EXE

C:\Arquivos de programas\Nero\Nero 7\InCD\InCD.exe

C:\Arquivos de programas\Nero\Nero 7\InCD\NBHGui.exe

C:\WINDOWS\system32\VTtrayp.exe

C:\WINDOWS\system32\VTTimer.exe

C:\WINDOWS\system32\ctfmon.exe

C:\Arquivos de programas\Nero\Nero 7\InCD\InCDsrv.exe

C:\WINDOWS\system32\svchost.exe

C:\Documents and Settings\Sara\Configurações locais\Dados de aplicativos\Google\Chrome\Application\chrome.exe

C:\Documents and Settings\Sara\Configurações locais\Dados de aplicativos\Google\Chrome\Application\chrome.exe

C:\Documents and Settings\Sara\Configurações locais\Dados de aplicativos\Google\Chrome\Application\chrome.exe

C:\Arquivos de programas\HiJackThis\Trend Micro\HiJackThis\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = &http://home.microsoft.com/intl/br/access/allinone.asp

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer

O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Arquivos de programas\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll

O4 - HKLM\..\Run: [soundMan] SOUNDMAN.EXE

O4 - HKLM\..\Run: [inCD] C:\Arquivos de programas\Nero\Nero 7\InCD\InCD.exe

O4 - HKLM\..\Run: [securDisc] C:\Arquivos de programas\Nero\Nero 7\InCD\NBHGui.exe

O4 - HKLM\..\Run: [NeroFilterCheck] C:\Arquivos de programas\Arquivos comuns\Ahead\Lib\NeroCheck.exe

O4 - HKLM\..\Run: [VTTrayp] VTtrayp.exe

O4 - HKLM\..\Run: [VTTimer] VTTimer.exe

O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe

O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\Sara\Configurações locais\Dados de aplicativos\Google\Update\GoogleUpdate.exe" /c

O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'LOCAL SERVICE')

O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'NETWORK SERVICE')

O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')

O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')

O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Arquivos de programas\Adobe\Acrobat 7.0\Reader\reader_sl.exe

O8 - Extra context menu item: E&xportar para o Microsoft Excel - res://C:\ARQUIV~1\MICROS~2\OFFICE11\EXCEL.EXE/3000

O9 - Extra button: Pesquisar - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\ARQUIV~1\MICROS~2\OFFICE11\REFIEBAR.DLL

O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe

O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe

O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe

O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe

O14 - IERESET.INF: SEARCH_PAGE_URL=&http://home.microsoft.com/intl/br/access/allinone.asp

O22 - SharedTaskScheduler: Pré-carregador Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll

O22 - SharedTaskScheduler: Daemon de cache de categorias de componente - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll

O23 - Service: InCD Helper (InCDsrv) - Nero AG - C:\Arquivos de programas\Nero\Nero 7\InCD\InCDsrv.exe

O23 - Service: NBService - Nero AG - C:\Arquivos de programas\Nero\Nero 7\Nero BackItUp\NBService.exe

O23 - Service: NMIndexingService - Nero AG - C:\Arquivos de programas\Arquivos comuns\Ahead\Lib\NMIndexingService.exe