今天早上，我将我的Mac操作系统更新至10.8.4版本后，在Xcode 4.6.2中编写了一些代码，然后按下运行按钮进行编译（你知道的，我没有停止模拟器，只需按下运行按钮即可进行编译和运行）。但是，应用程序崩溃了:(。我尝试了一些在10.8.3上工作正常的其他方法，但是仍然无法解决问题。我在控制台中发现了一些奇怪的日志。请问您知道如何解决这个问题吗？
6/5/13 10:25:34.266 PM installd[1174]: 0xb0219000 MobileInstallationInstall_Server: Installing app user.ApplicationDemo
6/5/13 10:25:34.280 PM installd[1174]: 0xb0219000 MobileInstallationInstall_Server: Staging: 0.02s; Waiting: 0.00s; Installation: 0.01s; LS Sync: 0.00s; Overall: 0.03s
6/5/13 10:25:34.280 PM lsd[1185]: updating identifier store
6/5/13 10:25:34.281 PM lsd[1185]: Attempting to store identifiers file
6/5/13 10:25:34.538 PM com.apple.launchd.peruser.501[272]: (UIKitApplication:user.ApplicationDemo[0x435a]) Conflict with job: UIKitApplication:user.ApplicationDemo[0xfedc] over Mach service: user.ApplicationDemo
6/5/13 10:25:34.538 PM com.apple.launchd.peruser.501[272]: (UIKitApplication:user.ApplicationDemo[0x435a]) Conflict with job: UIKitApplication:user.ApplicationDemo[0xfedc] over Mach service: user.ApplicationDemo.UIKit.migserver
6/5/13 10:25:34.543 PM com.apple.launchd.peruser.501[272]: (UIKitApplication:user.ApplicationDemo[0x435a][1221]) Spawned and waiting for the debugger to attach before continuing...
6/5/13 10:25:34.606 PM com.apple.launchd.peruser.501[272]: (UIKitApplication:user.ApplicationDemo[0xfedc][1212]) Exit timeout elapsed (1 seconds). Killing
6/5/13 10:25:34.816 PM com.apple.debugserver-199[1222]: debugserver-199 for x86_64.
6/5/13 10:25:34.817 PM com.apple.debugserver-199[1222]: Listening to port 30475...
6/5/13 10:25:34.919 PM com.apple.debugserver-199[1222]: Got a connection, waiting for process information for launching or attaching.
6/5/13 10:25:35.833 PM com.apple.launchd.peruser.501[272]: (UIKitApplication:user.ApplicationDemo[0xfedc][1212]) The following job tried to hijack the service "user.ApplicationDemo" from this job: UIKitApplication:user.ApplicationDemo[0x435a]
6/5/13 10:25:35.834 PM ImageWareDemo[1221]: GSRegisterPurpleNamedPort Couldn't register user.ApplicationDemo with the bootstrap server. Error: unknown error code (1100).
This generally means that another instance of this process was already running or is hung in the debugger.
6/5/13 10:25:38.606 PM com.apple.launchd.peruser.501[272]: (UIKitApplication:user.ApplicationDemo[0xfedc][1212]) Job has not died after being killed 4 seconds ago. Simulating exit.