Macbook Pro 2008, OS 10.10.5
My App Store application won't open. There is no window visible. The header shows up but nothing else works. Please advise.
3/12/16 10:31:33.248 PM storeaccountd[339]: AccountServiceDelegate: Accepting new connection <NSXPCConnection: 0x7fb67c2c3470> connection from pid 588 with interface <AccountServiceInterface: 0x7fb67c25a900> (PID 588)
3/12/16 10:31:33.278 PM App Store[588]: Unknown class 'FRPageController', using 'NSObject' instead. Encountered in Interface Builder file at path /System/Library/PrivateFrameworks/StoreUI.framework/Resources/Base.lproj/FRStor eViewController.nib.
3/12/16 10:31:33.280 PM App Store[588]: Failed to connect (delegate) outlet from (NSObject) to (FRNavigationController): missing setter or instance variable
3/12/16 10:31:33.280 PM App Store[588]: Failed to connect (view) outlet from (NSObject) to (FRWindowBackgroundView): missing setter or instance variable
3/12/16 10:31:33.280 PM App Store[588]: Failed to connect (pageController) outlet from (FRNavigationController) to (NSObject): missing setter or instance variable
3/12/16 10:31:33.294 PM storeassetd[349]: AssetServiceDelegate: Accepting new connection <NSXPCConnection: 0x7fa629f11a30> connection from pid 588 with interface <AssetServiceInterface: 0x7fa629cb7450> (PID 588)
3/12/16 10:31:33.375 PM com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
3/12/16 10:31:33.379 PM storeaccountd[339]: AccountServiceDelegate: Accepting new connection <NSXPCConnection: 0x7fb67c37fb90> connection from pid 588 with interface <AccountServiceInterface: 0x7fb67c1c5d80> (PID 588)
3/12/16 10:31:33.381 PM App Store[588]: -[APStoreWindowController loadWindow]: failed to load window nib file 'APStoreWindowController'.
3/12/16 10:31:33.490 PM storeassetd[349]: addOperation <LoadUpdateQueueOperation: 0x7fa629cebfd0>{name = '(null)'}
3/12/16 10:31:33.490 PM storeuid[380]: UIServiceDelegate: Accepting new connection <NSXPCConnection: 0x7fa2f042b060> connection from pid 588 with interface <UIServiceInterface: 0x7fa2f042b250> (PID 588)