ROS Crashes on startup after installing Guest Additions

(ntoskrnl/mm/ARM3/sysldr.c:176) Loading: \SystemRoot\System32\drivers\i8042prt.sys at F866F000 with 1b pages

 (ntoskrnl/mm/ARM3/sysldr.c:176) Loading: \SystemRoot\System32\drivers\kbdclass.sys at F865B000 with 14 pages

 (ntoskrnl/mm/ARM3/sysldr.c:176) Loading: \SystemRoot\System32\drivers\VBoxMouse.sys at F8630000 with 2b pages

 IPRT: RTMpPoke => rtMpPokeCpuUsingDpc

 (ntoskrnl/mm/ARM3/sysldr.c:176) Loading: \SystemRoot\System32\drivers\mouclass.sys at F8622000 with e pages

 (ntoskrnl/ps/thread.c:119) PS: Unhandled Kernel Mode Exception Pointers = 0xF8772FC4

 (ntoskrnl/ps/thread.c:126) Code c0000005 Addr 80932B40 Info0 00000000 Info1 00000000 Info2 00000000 Info3 00000000

 * 

 ** 

 *** Fatal System Error: 0x0000007e

 (0xC0000005,0x80932B40,0xF8773464,0xF87730F4)

Entered debugger on embedded INT3 at 0x0008:0x8094f444.

 kdb:> bt

 Eip:

 <NTOSKRNL.EXE:14f445 (:0 (RtlpBreakWithStatusInstruction))>

 Frames:

 <NTOSKRNL.EXE:8916d (ntoskrnl/ke/bug.c:1100 (KeBugCheckWithTf))>

 <NTOSKRNL.EXE:89744 (ntoskrnl/ke/bug.c:1456 (KeBugCheckEx))>

 <NTOSKRNL.EXE:11795c (ntoskrnl/ps/thread.c:129 (PspUnhandledExceptionInSystemThread))>

 <NTOSKRNL.EXE:117971 (:0 (_SEH3$_FilterFunction.41215))>

 <NTOSKRNL.EXE:147afb (sdk/lib/pseh/i386/pseh3.c:82 (_SEH3$_except_handler))>

 <NTOSKRNL.EXE:14fb07 (:0 (RtlpExecuteHandler2))>

 <NTOSKRNL.EXE:14fadb (:0 (RtlpExecuteHandlerForUnwind))>

 <NTOSKRNL.EXE:12e07b (ntoskrnl/ke/i386/exp.c:917 (KiDispatchException))>

 <NTOSKRNL.EXE:12e553 (ntoskrnl/ke/i386/exp.c:1126 (KiDispatchExceptionFromTrapFrame))>

 <NTOSKRNL.EXE:132de2 (ntoskrnl/include/internal/i386/ke.h:681 (KiTrap0EHandler))>

 <NTOSKRNL.EXE:36ac (:0 (KiTrap0E))>

 <NTOSKRNL.EXE:132b3b (ntoskrnl/ke/i386/traphdlr.c:1278 (KiTrap0EHandler))>

 <NTOSKRNL.EXE:36ac (:0 (KiTrap0E))>

 <00000000>

 kdb:>