ITunes and FaceTime crashing after Mavericks update this week

Question

Hi,
A user upgraded their MacBook Air, 10.9.3, and now iTunes is crashing when we check for updates and FaceTime is crashing. I'm not sure what else is crashing at this time.
Date/Time:       2014-06-20 11:26:28 -0400
OS Version:      10.9.3 (Build 13D65)
Architecture:    x86_64
Report Version:  18
Command:         App Store
Path:            /Applications/App Store.app/Contents/MacOS/App Store
Version:         1.3 (201.6)
Build Version:   1
Project Name:    Firenze
Source Version:  201006000000000
Parent:          launchd [157]
PID:             348
Event:           hang
Duration:        1.59s
Steps:           16 (100ms sampling interval)
Hardware model:  MacBookAir6,2
Active cpus:     4
Fan speed:       1213 rpm
Free pages:      1610413 pages (+261)
Pageins:         20 pages
Pageouts:        0 pages
Swapins:         0 pages
Swapouts:        0 pages
Process:         App Store [348]
Path:            /Applications/App Store.app/Contents/MacOS/App Store
Architecture:    x86_64
Parent:          launchd [157]
UID:             501
Task size:       6399 pages
CPU Time:        0.008s
  Thread 0x1c9f     DispatchQueue 1          priority 46       
  16 start + 1 (libdyld.dylib) [0x7fff8bc975fd]
    16 NSApplicationMain + 940 (AppKit) [0x7fff8a9b37a3]
      16 -[NSApplication run] + 553 (AppKit) [0x7fff8a9c89bc]
        16 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122 (AppKit) [0x7fff8a9d48bb]
          16 _DPSNextEvent + 2170 (AppKit) [0x7fff8a9d554e]
            16 _NSHandleCarbonMenuEvent + 284 (AppKit) [0x7fff8ab7662c]
              16 _HandleMenuSelection2 + 446 (HIToolbox) [0x7fff92f83cb1]
                16 MenuSelectCore(MenuData*, Point, double, unsigned int, OpaqueMenuRef**, unsigned short*) + 441 (HIToolbox) [0x7fff92f83f70]
                  16 TrackMenuCommon(MenuSelectData&, unsigned char*) + 1476 (HIToolbox) [0x7fff92f71c1c]
                    16 MenuChanged(MenuSelectData*, unsigned char, unsigned char) + 375 (HIToolbox) [0x7fff92f84459]
                      16 DrawTheMenu(MenuSelectData*, __CFArray**, unsigned char, unsigned char*) + 194 (HIToolbox) [0x7fff92f84651]
                        16 SendMenuOpening(MenuSelectData*, MenuData*, double, unsigned int, unsigned int, __CFDictionary*, unsigned char, unsigned char*) + 692 (HIToolbox) [0x7fff92f620b6]
  122    1 0xffffff7f8188c000 0x5000     0x5000     com.apple.kext.triggers (1.0) <7 6 5 4 3 1>
  123    0 0xffffff7f81891000 0x9000     0x9000     com.apple.filesystems.autofs (3.0) <122 7 6 5 4 3 1>
  124    0 0xffffff7f82226000 0xa000     0xa000     com.cisco.kext.acsock (1.1.0) <5 4 1>
  125    0 0xffffff7f82249000 0xc000     0xc000     com.microsoft.kext.scep_kac (4.5.9) <5 4 3 1>
Model: MacBookAir6,2, BootROM MBA61.0099.B07, 2 processors, Intel Core i5, 1.3 GHz, 8 GB, SMC 2.13f7
Graphics: Intel HD Graphics 5000, Intel HD Graphics 5000, Built-In, 1536 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x483943434E4E4E384A544D4C41522D4E544D
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x483943434E4E4E384A544D4C41522D4E544D
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x117), Broadcom BCM43xx 1.0 (6.30.223.154.63)
Bluetooth: Version 4.2.4f1 13674, 3 services, 15 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SD0256F, 251 GB
USB Device: Internal Memory Card Reader
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
USB Device: DELL Laser Mouse
Thunderbolt Bus: MacBook Air, Apple Inc., 23.6
I ran a Disk Repair, tried rebooting a few times, checked for updates and it crashes iTunes.
FaceTime displays "FaceTime cannot be opened because of a problem"
Process:         FaceTime [669]
Path:            /Applications/FaceTime.app/Contents/MacOS/FaceTime
Identifier:      com.apple.FaceTime
Version:         ???
Build Info:      FaceTime-1638000000000000~1
Code Type:       X86-64 (Native)
Parent Process:  launchd [157]
Responsible:     FaceTime [669]
User ID:         501
Date/Time:       2014-06-20 11:37:01.880 -0400
OS Version:      Mac OS X 10.9.3 (13D65)
Report Version:  11
Anonymous UUID:  6AC58A08-BCBE-4278-4387-51BFE3E6F902
Crashed Thread:  0
Exception Type:  EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Application Specific Information:
dyld: launch, loading dependent libraries, ignoring DYLD_* env vars
Dyld Error Message:
  Symbol not found: _OBJC_CLASS_$_SOBlockListController
  Referenced from: /Applications/FaceTime.app/Contents/MacOS/FaceTime
  Expected in: /System/Library/PrivateFrameworks/SocialAppsCore.framework/Versions/A/SocialApp sCore
in /Applications/FaceTime.app/Contents/MacOS/FaceTime
Can anyone offer guidance besides reinstalling the OS?
Thank you.
Mart

Answer 1

Try a restart.
Do a backup, using either Time Machine or a cloning program, to ensure files/data can be recovered. Two backups are better than one.
Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.
Isolating an issue by using another user account
If the problem is still there, try booting into the Safe Mode using your normal account.  Disconnect all peripherals except those needed for the test. Shut down the computer and then power it back up after waiting 10 seconds. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. When you reboot normally, the initial reboot may be slower than normal. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart by using the application un-installer. For each disable/delete, you will need to restart if you don't do them all at once.
Safe Mode
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