Voilà le rapport sur la clé
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[HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\Extensions]
"{FFB96CC1-7EB3-449D-B827-DB661701C6BB}"="C:\\Program Files\\CheckPoint\\ZAForceField\\TrustChecker"
"{20a82645-c095-46ed-80e3-08825760534b}"="C:\\WINDOWS\\Microsoft.NET\\Framework\\v3.5\\Windows Presentation Foundation\\DotNetAssistantExtension\\"
"{ABDE892B-13A8-4d1b-88E6-365A6E755758}"="C:\\Documents and Settings\\All Users\\Application Data\\Real\\RealPlayer\\BrowserRecordPlugin\\Firefox\\Ext"
"jqs@sun.com"=hex(2):43,00,3a,00,5c,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,\
00,20,00,46,00,69,00,6c,00,65,00,73,00,5c,00,4a,00,61,00,76,00,61,00,5c,00,\
6a,00,72,00,65,00,36,00,5c,00,6c,00,69,00,62,00,5c,00,64,00,65,00,70,00,6c,\
00,6f,00,79,00,5c,00,6a,00,71,00,73,00,5c,00,66,00,66,00,00,00
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note : CheckPoint\\ZAForeceField vient de mon logiciel de sécurité : ZoneAlarm.
merci camarade