Windows installer

Bonjour,
Ouvres le bloc notes et copies colles le texte en gras ci dessous:
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Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ msiserver]
"DisplayName" = "@% SystemRoot% \ \ system32 \ \ msimsg.dll, -27"
"ImagePath" = hex (2): 25,00,73,00,79,00,73,00,74,00,65,00,6 d, 00,72,00,6 f, 00,6 f, 00, \
74,00,25,00,5 c, d 00,73,00,79,00,73,00,74,00,65,00,6, 00,33,00,32,00,5 c, 00,6 d, \
00,73,00,69,00,65,00,78,00,65,00,63,00,20,00,2 f, 00,56,00,00,00
"Description" = "@% SystemRoot% \ \ system32 \ \ msimsg.dll, -32"
"ObjectName" = "LocalSystem"
"ErrorControl" = dword: 00000001
"Start" = dword: 00000003
"Type" = dword: 00000010
"DependOnService" = hex (7): 72,00,70,00,63,00,73,00,73,00,00,00,00,00
"ServiceSidType" = dword: 00000001
"RequiredPrivileges" = hex (7): 53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76, \
00,69,00,6 c, 00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00, \
74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00,6 c, 00,65,00,50,00,72,00,69, \
00,76,00,69,00,6 c, c 00,65,00,67,00,65,00,00,00,53,00,65,00,4, 00,6 f, 00,63,00, \
6b, 00,4 d, 00,65,00,6 d, 00,6 f, c 00,72,00,79,00,50,00,72,00,69,00,76,00,69,00,6, \
00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6 e, 00,63,00,72,00,65,00,61,00, \
73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00,6 f, 00,72,00,69,00,74, \
00,79,00,50,00,72,00,69,00,76,00,69,00,6 c, 00,65,00,67,00,65,00,00,00,53,00, \
65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00,6 d, 00,61,00,6 e, \
00,65,00,6 e, c 00,74,00,50,00,72,00,69,00,76,00,69,00,6, 00,65,00,67,00,65,00, \
00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69, \
00,6 c, 00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00, \
69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6 c, 00,65,00,67,00,65,00,00, \
00,53,00,65,00,43,00,68,00,61,00,6 e, 00,67,00,65,00,4 e, 00,6 f, 00,74,00,69,00, \
66,00,79,00,50,00,72,00,69,00,76,00,69,00,6 c, 00,65,00,67,00,65,00,00,00,53, \
00,65,00,50,00,72,00,6 f, 00,66,00,69,00,6 c, e 00,65,00,53,00,69,00,6, 00,67,00, \
6c, 00,65,00,50,00,72,00,6 f, 00,63,00,65,00,73,00,73,00,50,00,72,00,69,00,76, \
00,69,00,6 c, d 00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6, 00,70,00,65,00, \
72,00,73,00,6 f, 00,6 e, c 00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6, \
00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00, \
47,00,6 c, 00,6 f, 00,62,00,61,00,6 c, c 00,50,00,72,00,69,00,76,00,69,00,6, 00,65, \
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6 e, 00,50,00, \
72,00,69,00,6 d, f 00,61,00,72,00,79,00,54,00,6, 00,6 b, 00,65,00,6 e, 00,50,00,72, \
00,69,00,76,00,69,00,6 c, 00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00, \
73,00,74,00,6 f, c 00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6, 00,65,00,67, \
00,65,00,00,00,53,00,65,00,49,00,6 e, 00,63,00,72,00,65,00,61,00,73,00,65,00, \
51,00,75,00,6 f, c 00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6, 00,65,00,67, \
00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6 f, 00,77,00,6 e, 00, \
50,00,72,00,69,00,76,00,69,00,6 c, 00,65,00,67,00,65,00,00,00,53,00,65,00,54, \
00,61,00,6 b, 00,65,00,4 f, 00,77,00,6 e, 00,65,00,72,00,73,00,68,00,69,00,70,00, \
50,00,72,00,69,00,76,00,69,00,6 c, c 00,65,00,67,00,65,00,00,00,53,00,65,00,4, \
00,6 f, 00,61,00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00, \
76,00,69,00,6 c, 00,65,00,67,00,65,00,00,00,00,00
"FailureActions" = hex: 84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00, \
00,01,00,00,00, c0, d4, 01,00,01,00,00,00, e0, 93,04,00,00,00,00,00,00,00,00,00

[HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ msiserver \ Enum]
"0" = "Root \ \ LEGACY_MSISERVER \ \ 0000"
"Count" = dword: 00000001
"NextInstance" = dword: 00000001

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Comme nom, tu mets: Msirepair.reg et tu l'enregistres sur ton bureau.
Clic droit sur ce fichier REG, Fusionner, acceptes la fusion, redémarres et vois ce que ça donne.

Bonjour,
Essaie de réparer Windows Installer

- Cliquer sur Démarrer > Exécuter
- Entrer successivement, en n'oubliant pas l'espace
msiexec /unregister
msiexec /regserver

sinon télécharge et réinstaller celui-ci:
http://www.microsoft.com/downloads/details.aspx?FamilyID=5a58b56f-60b6-4412-95b9-54d056d6f9f4&displayLang=fr