From:	M DOT H DOT M DOT Michels AT kub DOT nl (Tijs Michels)
Subject:	Re: Problem with `window manager already running' X-windows erro
5 Feb 1998 03:54:47 -0800 :
Message-ID:	<199802050922.KAA11571.cygnus.gnu-win32@mailnews.kub.nl>
References:	<199802041657 DOT LAA00507 AT woodmore DOT gsfc DOT nasa DOT gov>
Reply-To:	M DOT H DOT M DOT Michels AT kub DOT nl
Mime-Version:	1.0
To:	Arlindo da Silva <arlindo AT niteroi DOT gsfc DOT nasa DOT gov>
Cc:	gnu-win32 AT cygnus DOT com

> For some X servers, MI/X being one of them, you have
> a clear separation of the X server proper and the
> window manager. With MI/X, the executable XS.EXE is
> the X server, while TWM.EXE is the window manager,
> and if you choose you can have a "xstart" script
> like this:
> 
> /mix_95/xs &
> /usr/X11R6.3/bin/xset fp= /mix_95/BDF/MISC ;
> /usr/X11R6.3/bin/xclock -fg yellow -bg gray -geometry 100x100-0+0 &
> /usr/X11R6.3/bin/bitmap -geometry 100x100+0-0 &
> /usr/X11R6.3/bin/rxvt -geometry 80x25+0+0 &
> /mix_95/twm -f ~/myown.twm
> 
> If one prefers 'fvwm' and have installed it, one can
> replace the last line with:
> 
> /usr/X11R6.3/bin/fvwm &
> 
> Now, for X servers which use MS Windows to do their
> window management, the separation between X server
> and window manager is not that obvious, and usually
> you cannot replace the native "Windows" manager with
> another one of your choosing. Starnet's x-win32 and
> other high-end commercial X servers are in this category.
> Therefore, if you try to run "fvwm" with these X-servers
> you get the `window manager already running' because
> indeed MS Windows is the window manager already in charge.
> In any event, you should check the documentation that
> came with your X server.
> 
> Arlindo da Silva    
> dasilva AT alum DOT mit DOT edu

Hi,

The second part of the explanation above is only partially true.
By default StarNet's X-Win32 installs itself in what StarNet calls
a "multiple window mode". In this mode window management is indeed 
relegated to MS Windows and any attempt at starting twm or fvwm will 
result in the reported error message of a window manager already 
running.

However, using X-Util32 you can tell X-Win32 to go into a "single 
window mode" (select Option -> Window settings -> Single). Now you 
can use any window manager you like. In the "single window mode"
you can also play a script like the one in the MI/X example above 
(except of course for the first line).

Hope this is of some help,

Tijs
m DOT h DOT m DOT michels AT kub DOT nl

BTW, switching from MI/X to X-Win32 solved the problem I reported 
earlier regarding XPaint-2.5.3. Of course this is not really a 
solution, since X-Win32 is not free, far from it.
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