virtualbox 请提供日志文件 VBox.log和图像文件 VBox.png,位于..文件夹仲，并描述出错时的操作.

Question

VBox.log日志：

VirtualBox VM 5.1.30 r118389 win.amd64 (Oct 16 2017 10:47:00) release log
00:00:01.615698 Log opened 2018-03-22T05:34:04.456756400Z
00:00:01.615700 Build Type: release
00:00:01.615702 OS Product: Windows 10
00:00:01.615703 OS Release: 10.0.16299
00:00:01.615703 OS Service Pack: 
00:00:01.652815 DMI Product Name: System Product Name
00:00:01.655923 DMI Product Version: System Version
00:00:01.655937 Host RAM: 16320MB (15.9GB) total, 13978MB (13.6GB) available
00:00:01.655940 Executable: E:\Program Files\Oracle\VirtualBox\VirtualBox.exe
00:00:01.655941 Process ID: 1456
00:00:01.655941 Package type: WINDOWS_64BITS_GENERIC
00:00:01.657158 Installed Extension Packs:
00:00:01.657204   None installed!
00:00:01.658385 Console: Machine state changed to 'Starting'
00:00:01.658725 Qt version: 5.6.2
00:00:01.660379 GUI: UIMediumEnumerator: Medium-enumeration finished!
00:00:01.731639 SUP: Loaded VMMR0.r0 (E:\Program Files\Oracle\VirtualBox\VMMR0.r0) at 0xXXXXXXXXXXXXXXXX - ModuleInit at XXXXXXXXXXXXXXXX and ModuleTerm at XXXXXXXXXXXXXXXX using the native ring-0 loader
00:00:01.731675 SUP: VMMR0EntryEx located at XXXXXXXXXXXXXXXX and VMMR0EntryFast at XXXXXXXXXXXXXXXX
00:00:01.731681 SUP: windbg> .reload /f E:\Program Files\Oracle\VirtualBox\VMMR0.r0=0xXXXXXXXXXXXXXXXX
00:00:01.733232 Guest OS type: 'MacOS1011_64'
00:00:01.734095 Using MWAIT extensions
00:00:01.734477 fHMForced=true - 64-bit guest
00:00:01.741479 File system of 'C:\Users\Administrator\VirtualBox VMs\blackApple\Snapshots' (snapshots) is unknown
00:00:01.741497 File system of 'D:\杩呴浄涓嬭浇\OS X 10.11 El Capitan GM Candidate by TechReviews\OS X 10.11 El Capitan GM by TechReviews.vmdk' is ntfs
00:00:01.755778 Shared clipboard service loaded
00:00:01.755795 Shared clipboard mode: Off
00:00:01.762601 Drag and drop service loaded
00:00:01.762620 Drag and drop mode: Off
00:00:01.774117 Guest Control service loaded
00:00:01.775359 ************************* CFGM dump *************************
00:00:01.775361 [/] (level 0)
00:00:01.775363   CSAMEnabled       <integer> = 0x0000000000000001 (1)
00:00:01.775365   CpuExecutionCap   <integer> = 0x0000000000000064 (100)
00:00:01.775366   EnablePAE         <integer> = 0x0000000000000000 (0)
00:00:01.775367   HMEnabled         <integer> = 0x0000000000000001 (1)
00:00:01.775368   MemBalloonSize    <integer> = 0x0000000000000000 (0)
00:00:01.775368   Name              <string>  = "blackApple" (cb=11)
00:00:01.775369   NumCPUs           <integer> = 0x0000000000000001 (1)
00:00:01.775370   PATMEnabled       <integer> = 0x0000000000000001 (1)
00:00:01.775371   PageFusionAllowed <integer> = 0x0000000000000000 (0)
00:00:01.775371   RamHoleSize       <integer> = 0x0000000024000000 (603 979 776, 576 MB)
00:00:01.775373   RamSize           <integer> = 0x0000000080000000 (2 147 483 648, 2 048 MB)
00:00:01.775374   RawR0Enabled      <integer> = 0x0000000000000001 (1)
00:00:01.775375   RawR3Enabled      <integer> = 0x0000000000000001 (1)
00:00:01.775375   TimerMillies      <integer> = 0x000000000000000a (10)
00:00:01.775376   UUID              <bytes>   = "76 22 3a 2d 5e 4c b4 45 8d ad 45 96 4b ec 1a 6a" (cb=16)
00:00:01.775378 
00:00:01.775378 [/CPUM/] (level 1)
00:00:01.775379   GuestCpuName       <string>  = "host" (cb=5)
00:00:01.775380   MWaitExtensions    <integer> = 0x0000000000000001 (1)
00:00:01.775380   PortableCpuIdLevel <integer> = 0x0000000000000000 (0)
00:00:01.775381 
00:00:01.775381 [/DBGC/] (level 1)
00:00:01.775382   GlobalInitScript <string>  = "C:\Users\Administrator\.VirtualBox/dbgc-init" (cb=45)
00:00:01.775383   HistoryFile      <string>  = "C:\Users\Administrator\.VirtualBox/dbgc-history" (cb=48)
00:00:01.775383   LocalInitScript  <string>  = "C:\Users\Administrator\VirtualBox VMs\blackApple/dbgc-init" (cb=59)
00:00:01.775384 
00:00:01.775384 [/DBGF/] (level 1)
00:00:01.775385   Path <string>  = "C:\Users\Administrator\VirtualBox VMs\blackApple/debug/;C:\Users\Administrator\VirtualBox VMs\blackApple/;C:\Users\Administrator\" (cb=130)
00:00:01.775386 
00:00:01.775386 [/Devices/] (level 1)
00:00:04.009385 VGA Sequencer (3C5): SR index 3C4:00
00:00:04.009385  SR00:03 SR01:01 SR02:0F SR03:00 SR04:0A SR05:00 SR06:00 SR07:01
00:00:04.009386 !!
00:00:04.009386 !! {vgatext}
00:00:04.009387 !!
00:00:04.009387 Not in text mode!
00:00:04.009387 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!