There is no problem in 10.10, since I upgraded to 10.11, it sometimes crash (restart suddenly) after I see the desktop.(I try to reinstall it,and it does not work)
This is the CrashReport:
15/10/20 下午7:33:17.022 com.apple.xpc.launchd[1]: (com.apple.ReportCrash) The DrainMessagesOnCrash key is...