Impossibile aprire App Store

[friscos]

Ho installato per ben due volte la Niresh12495 sul PC​ di un amico ma dopo l'aggiornamento alla 10.8.5 mi ritrovo con questo avviso:

DETTAGLI

 

Process: App Store [229]
Path: /Applications/App Store.app/Contents/MacOS/App Store
Identifier: com.apple.appstore
Version: 1.2.2 (129.16)
Build Info: Firenze-129016000000000~4
Code Type: X86-64 (Native)
Parent Process: launchd [138]
User ID: 501

Date/Time: 2013-10-24 20:13:37.879 +0200
OS Version: Mac OS X 10.8.5 (12F45)
Report Version: 10

Interval Since Last Report: 3139 sec
Crashes Since Last Report: 319
Per-App Crashes Since Last Report: 11
Anonymous UUID: C60683FE-58F9-4C54-AEEF-0505E7D40119

Crashed Thread: 0

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000

Application Specific Information:
dyld: launch, loading dependent libraries

Dyld Error Message:
Library not loaded: /System/Library/PrivateFrameworks/CoreRecognition.framework/Versions/A/CoreRecognition
Referenced from: /Applications/App Store.app/Contents/MacOS/App Store
Reason: image not found

 

Come si reinstalla l' Applicazione?