RAPPS shows a console when starting for a fraction of a second

0.4.15-dev-707-g3745dad

Start RAPPS
a window "blinks" on screen
Log shows :
fixme:(dll/win32/shell32/shlexec.cpp:1875) flags ignored: 0x00004000
(win32ss/user/ntuser/window.c:1995) err: Thread is not attached to a desktop! Cannot create window!
(win32ss/user/ntuser/window.c:2555) err: co_UserCreateWindowEx failed!
err:(dll/win32/ole32/compobj.c:1721) CreateWindow failed with error 0
(win32ss/user/ntuser/desktop.c:2688) err: Attempted to close thread desktop
(win32ss/user/ntuser/keyboard.c:966) err: Window is NULL
fixme:(dll/win32/usp10/opentype.c:1262) TODO: subtype 1 (Simple context glyph substitution)
(win32ss/gdi/ntgdi/gdiobj.c:1201) GreGetObjectOwner: invalid handle 0x00050164.