Notepad++ v6.1.2 installer causes bugcheck in KiUserModeCallout

<NTOSKRNL.EXE:932ba (ntoskrnl/ke/bug.c:1407 (KeBugCheckEx))>

<NTOSKRNL.EXE:140db1 (ntoskrnl/ke/i386/usercall.c:268 (KiUserModeCallout))>

<NTOSKRNL.EXE:3de6 (:0 (KiCallUserMode))>

<win32k.sys:2f80b (win32ss/user/ntuser/callback.c:333 (co_IntCallWindowProc))>

<win32k.sys:50339 (win32ss/user/ntuser/message.c:1341 (co_IntSendMessageTimeoutSingle))>

<win32k.sys:50616 (win32ss/user/ntuser/message.c:1436 (co_IntSendMessageTimeout))>

<win32k.sys:507bb (win32ss/user/ntuser/message.c:1238 (co_IntSendMessage))>

<win32k.sys:31218 (win32ss/user/ntuser/caret.c:211 (co_UserShowCaret))>

<win32k.sys:5d505 (win32ss/user/ntuser/painting.c:1012 (IntEndPaint))>

<win32k.sys:5d8c1 (win32ss/user/ntuser/painting.c:1107 (NtUserEndPaint))>

<NTOSKRNL.EXE:1408f0 (ntoskrnl/include/internal/arch/../i386/ke.h:688 (KiFastCallEntryHandler))>

<NTOSKRNL.EXE:3ced (:0 (KiFastCallEntry))>

<ntdll.dll:c061 (:0 (KiIntSystemCall))>

<RichEd20.DLL:f8f1 (dll/win32/riched20/editor.c:4668 (RichEditWndProcW))>

<USER32.dll:5621b (win32ss/user/user32/windows/message.c:1577 (IntCallWindowProcW))>

<USER32.dll:580b3 (win32ss/user/user32/windows/message.c:2967 (User32CallWindowProcFromKernel))>

<ntdll.dll:bfb4 (:0 (KiUserCallbackDispatcher))>

<USER32.dll:3a260 (win32ss/user/user32/windows/dialog.c:2638 (IsDialogMessageW))>

<USER32.dll:3a47a (win32ss/user/user32/windows/dialog.c:599 (DIALOG_DoDialogBox))>

<USER32.dll:3a5e0 (win32ss/user/user32/windows/dialog.c:1894 (DialogBoxParamW))>

<npp.6.1.2.Installer.exe:56a3>

<npp.6.1.2.Installer.exe:364b>