Un petit extrait du log où il me dit qu'il ne peux pas réparer certains fichiers (les fichiers en questions sont des fichiers du Framwork 4) :
2013-12-08 22:34:56, Info CSI 00000850 [SR] Verify complete
2013-12-08 22:34:56, Info CSI 00000851 [SR] Repairing 2 components
2013-12-08 22:34:56, Info CSI 00000852 [SR] Beginning Verify and Repair transaction
2013-12-08 22:34:56, Info CSI 00000853 [SR] Cannot repair member file [l:34{17}]"Accessibility.dll" of Accessibility, Version = 4.0.9600.16384, pA = PROCESSOR_ARCHITECTURE_MSIL (8), Culture neutral, VersionScope neutral, PublicKeyToken = {l:8 b:b03f5f7f11d50a3a}, Type neutral, TypeName neutral, PublicKey neutral in the store, file is missing
2013-12-08 22:34:56, Info CSI 00000854 [SR] Repairing corrupted file [ml:520{260},l:102{51}]"\??\C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319"\[l:34{17}]"Accessibility.dll" from store
2013-12-08 22:34:56, Info CSI 00000855 [SR] Cannot repair member file [l:34{17}]"Accessibility.dll" of Accessibility, Version = 4.0.9600.16384, pA = PROCESSOR_ARCHITECTURE_MSIL (8), Culture neutral, VersionScope neutral, PublicKeyToken = {l:8 b:b03f5f7f11d50a3a}, Type neutral, TypeName neutral, PublicKey neutral in the store, file is missing
2013-12-08 22:34:56, Info CSI 00000856 [SR] This component was referenced by [l:168{84}]"Microsoft-Windows-NetFx4-US-OC-Package~31bf3856ad364e35~amd64~~6.3.9600.16384.NetFx4"
2013-12-08 22:34:56, Info CSI 00000857 [SR] Could not reproject corrupted file [ml:520{260},l:98{49}]"\??\C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319"\[l:34{17}]"Accessibility.dll"; source file in store is also corrupted
2013-12-08 22:34:56, Info CSI 00000858 [SR] Repair complete