(../../win32ss/gdi/eng/pdevobj.c:447) PDEVOBJ_bSwitchMode, ppdev = E13F1898, pSurface = E13DA748
(../../win32ss/gdi/eng/pdevobj.c:500) leave, ppdev = E13F1898, pSurface = E1506900

*** Fatal System Error: 0x00000050
                       (0xF7373120,0x00000000,0xF7640C8B,0x00000000)

Driver at fault: 
***    win32k.sys - Address F7640C8B base at F754A000, DateStamp 548dfc71
.

Entered debugger on embedded INT3 at 0x0008:0x8095ae08.
kdb:> bt
Eip:
<NTOSKRNL.EXE:15ae09 (:0 (RtlpBreakWithStatusInstruction))>
Frames:
<NTOSKRNL.EXE:945bd (ntoskrnl/ke/bug.c:1098 (KeBugCheckWithTf))>
<NTOSKRNL.EXE:94a45 (ntoskrnl/ke/bug.c:1423 (KeBugCheckEx))>
<NTOSKRNL.EXE:be37c (ntoskrnl/mm/ARM3/pagfault.c:1841 (MmArmAccessFault))>
<NTOSKRNL.EXE:f2c9b (ntoskrnl/mm/mmfault.c:243 (MmAccessFault))>
<NTOSKRNL.EXE:142ad9 (ntoskrnl/ke/i386/traphdlr.c:1274 (KiTrap0EHandler))>
<NTOSKRNL.EXE:3698 (:0 (KiTrap0E))>
<win32k.sys:f6c86 (:0 (DIB_32BPP_ColorFill))>
<win32k.sys:7c51 (win32ss/gdi/eng/bitblt.c:199 (BltPatCopy))>
<win32k.sys:90bd (win32ss/gdi/eng/bitblt.c:564 (EngBitBlt))>
<win32k.sys:9515 (win32ss/gdi/eng/bitblt.c:685 (IntEngBitBlt))>
<win32k.sys:a2abe (:0 (GreExtTextOutW))>
<win32k.sys:a3ecb (:0 (NtGdiExtTextOutW))>
<NTOSKRNL.EXE:143660 (ntoskrnl/include/internal/i386/ke.h:689 (KiSystemServiceHandler))>
<NTOSKRNL.EXE:3d95 (:0 (KiFastCallEntry))>
<ntdll.dll:c801>
<comctl32.dll:34538>
<comctl32.dll:35154>
<comctl32.dll:3694b>
<comctl32.dll:3773c>
<comctl32.dll:3a5f5>--- Press q to abort, any other key to continue ---

<user32.dll:570db>
<user32.dll:5900f>
<ntdll.dll:c754>
<shell32.dll:6c68>
<shell32.dll:7404>
<explorer.exe:1d4b>
<explorer.exe:1d3e1>
<kernel32.dll:19f2a>
<00000000>
kdb:>