Pages web qui s'ouvrent seules...

Bonjour,
Voici mon problème : même sans avoir ouvert un navigateur, des pages web s'ouvrent seules (publicités en général bien sûr !)
Voici le rapport d'ad remover
Est-ce qu'on peut m'aider ?
Meri



======= RAPPORT D'AD-REMOVER 2.0.0.2,G | UNIQUEMENT XP/VISTA/7 =======

Mis à jour par TeamXscript le 12/04/11
Contact: AdRemover[DOT]contact[AT]gmail[DOT]com
Site web: http://www.teamxscript.org

C:\Program Files (x86)\Ad-Remover\main.exe (SCAN [3]) -> Lancé à 10:29:22 le 23/09/2011, Mode normal

Microsoft Windows 7 Édition Familiale Premium Service Pack 1 (X64)
a@A-PC (Hewlett-Packard HP Pavilion dv7 Notebook PC)

============== RECHERCHE ==============

============== SCAN ADDITIONNEL ==============

**** Mozilla Firefox Version [6.0.2 (fr)] ****

Plugins\NPSqueak.dll (Walt Disney Imagineering)
HKLM_MozillaPlugins\@foxitsoftware.com/Foxit Reader Plugin,version=1.0,application/pdf (x)
Searchplugins\bing.xml ( hxxp://www.bing.com/search)
Components\browsercomps.dll (Mozilla Foundation)

-- C:\Users\a\AppData\Roaming\Mozilla\FireFox\Profiles\87tx751f.default --
Extensions\sankoretagger@enovation.ie (Sankore Tagger)
Extensions\{3e0e7d2a-070f-4a47-b019-91fe5385ba79} (AddThis)
Extensions\{618D522B-652C-4e19-9194-048700B12ED6} (Sothink SWF Catcher)
Extensions\{6d6b212b-2245-4898-8b16-9a11b81ff9e1} (Softonic France FF Community Toolbar)
Searchplugins\durable.xml (?)
Prefs.js - browser.download.lastDir, C:\\Users\\a\\Desktop
Prefs.js - browser.search.selectedEngine, Google
Prefs.js - browser.startup.homepage, hxxp://www.google.fr/firefox
Prefs.js - browser.startup.homepage_override.buildID, 20110902133214
Prefs.js - browser.startup.homepage_override.mstone, rv:6.0.2
Prefs.js - keyword.URL, hxxp://fr.search.yahoo.com/search?fr=greentree_ff1&ei=utf-8&type=302398&p=

========================================

**** Internet Explorer Version [8.0.7601.17514] ****

HKCU_Main|Default_Page_URL - hxxp://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome
HKCU_Main|Default_Search_URL - hxxp://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
HKCU_Main|Search bar - hxxp://go.microsoft.com/fwlink/?linkid=54896
HKCU_Main|Start Page - hxxp://fr.msn.com/
HKLM_Main|Default_Page_URL - hxxp://go.microsoft.com/fwlink/?LinkId=54896
HKLM_Main|Default_Search_URL - hxxp://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
HKLM_Main|Search bar - hxxp://search.msn.com/spbasic.htm
HKLM_Main|Search Page - hxxp://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
HKLM_Main|Start Page - hxxp://fr.msn.com/
HKCU_URLSearchHooks|{d0b1518e-3e45-4d16-a23b-4d90ef938e44} - "Audacity-tools Toolbar" (C:\Program Files (x86)\Audacity-tools\tbAud0.dll)
HKLM_URLSearchHooks|{d0b1518e-3e45-4d16-a23b-4d90ef938e44} - "Audacity-tools Toolbar" (C:\Program Files (x86)\Audacity-tools\tbAud0.dll)
HKCU_SearchScopes\{2B7B7EFC-C234-4532-822B-A8D74D7EF7EB} - "Durable.com" (hxxp://www.durable.com/result?cx=partner-pub-7902900401080901%3Azbljezwsgul&cof=...)
HKCU_Toolbar\WebBrowser|{D0B1518E-3E45-4D16-A23B-4D90EF938E44} (C:\Program Files (x86)\Audacity-tools\tbAud0.dll)
HKCU_Toolbar\WebBrowser|{4064EA35-578D-4073-A834-C96D82CBCF40} (x)
HKLM_Toolbar|{d0b1518e-3e45-4d16-a23b-4d90ef938e44} (C:\Program Files (x86)\Audacity-tools\tbAud0.dll)
HKLM_ElevationPolicy\d3f0e3a3-7a27-4cae-9d52-dddff830993a - C:\Program Files (x86)\Softonic_France_FF\Softonic_France_FFToolbarHelper.exe (x)
HKLM_ElevationPolicy\{07d873dc-b9b9-44f5-af0b-fb59fa54fb7a} - C:\Windows\SysWOW64\wpcer.exe (x)
HKLM_ElevationPolicy\{0a402d70-1f10-4ae7-bec9-286a98240695} - C:\Windows\SysWOW64\winfxdocobj.exe (x)
HKLM_ElevationPolicy\{4D9A3D02-3B10-4272-8A08-2F232995616A} - C:\Program Files (x86)\Audacity-tools\Audacity-toolsToolbarHelper1.exe (Conduit Ltd.)
HKLM_ElevationPolicy\{70f641fd-9ffc-4d5b-a4dc-962af4ed7999} - C:\Program Files (x86)\Internet Explorer\iedw.exe (x)
HKLM_ElevationPolicy\{B43A0C1E-B63F-4691-B68F-CD807A45DA01} - C:\Windows\system32\TSWbPrxy.exe (x)
BHO\{02478D38-C3F9-4efb-9B51-7695ECA05670} (?)
BHO\{67BCF957-85FC-4036-8DC4-D4D80E00A77B} - "SMART Notebook Download Utility" (C:\Program Files (x86)\SMART Technologies\Education Software\Win32\NotebookPlugin.dll)
BHO\{6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - "Search Helper" (C:\Program Files (x86)\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll)
BHO\{d0b1518e-3e45-4d16-a23b-4d90ef938e44} - "Audacity-tools Toolbar" (C:\Program Files (x86)\Audacity-tools\tbAud0.dll)

========================================

C:\Program Files (x86)\Ad-Remover\Quarantine: 212 Fichier(s)
C:\Program Files (x86)\Ad-Remover\Backup: 18 Fichier(s)

C:\Ad-Report-CLEAN[1].txt - 23/09/2011 10:13:15 (15316 Octet(s))
C:\Ad-Report-SCAN[1].txt - 25/03/2011 11:16:37 (12775 Octet(s))
C:\Ad-Report-SCAN[2].txt - 23/09/2011 09:18:50 (15958 Octet(s))
C:\Ad-Report-SCAN[3].txt - 23/09/2011 10:29:31 (4681 Octet(s))

Fin à: 10:30:50, 23/09/2011

============== E.O.F ==============