bon j ai trouvé la soluce tout seul..
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Ok, I've got this off kaspersky-labs site:
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This situation arise due to the incorrect Symantec Anti-virus uninstallation.
What we can recommend you to do:
1. Load regestry editor (regedit) and find key: HKEY_CLASSES_ROOT\JavaScript\CLSID
Remember its value, for example: {f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
2. Find this value (ID) in system registry, for example:
HKEY_CLASSES_ROOT\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\inprocServer32
3. Set [default] variable to value of KAV Script Checker path, e.g:
[default] => C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal Pro\avpscrch.dll
4. Remove [OriginalDll] value, for example: Ñ:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\SCRIPT BLOCKING\SCRAUTH.DLL
And set value to the path to original system jscript.dll, e.g.
[OriginalDll] => C:\WINDOWS\System\jscript.dll
nb le bon chemin peut etre C:\WINDOWS\System32\jscript.dll
j ai pas encore testé, je suis en train de faire un scan avec Kasper..
This is the manual work. If it seems too hard for you, please contact Symantec support service.