Re: BScreen::BScreen: error, unable to use fluxbox.

I'm not a guru at all.
But most programs set some sort of lock files. Guessing in this case it could be /tmp/.X0-lock.
Sometimes in -in case of unclean shutdown- the lock file isn't removed, and stay in place.

Do you have a command line after the X-Serverstart fails?
If so you can do a cat on that file (in my running fluxbox session listing the processes give me:
"cat .X0-lock 
      3222
 ps -ef|grep 3222
root      3222  3219  0 10:23 tty7     00:01:56 /usr/bin/X11/X -nolisten tcp -auth /var/run/slim.auth vt07"

so maybe deleting the .X0-lock from CLI and reboot could do the trick.

> I am totally unable to run fluxbox for the last two days and I get this
> error message in the logs - 
> ##############################
> BScreen::BScreen: an error occured while querying the X server.
> 	another window manager already running on display:0.0
> Error: Couldn't find screens to manage.
> Make sure you don't have another window manager running.
> ##############################
> there is nothing that seems to clear it, it even comes up after a
> reboot or a shutdown. I've looked on the wiki and not being able to
> find anything relating to it, so I'm hoping you gurus can come up with
> a solution for me so that I can go back to my beloved fluxbox again.
> 
> There is no other Windows Manager running, I've checked in 'pstree' and
> its happened to a new user that I created after yesterdays attempts. 
> 
> Hopefully thanks
> Sharon.
> -- 
> A taste of linux = http://www.sharons.org.uk/index.html
> efever = http://www.efever.blogspot.com/
> efever = http://sharon04.livejournal.com/
> Debian 7.0, Fluxbox 1.3.5, LibreOffice 4.0.3.3, 
> Claws-Mail 3.9.0-182-g852877
> Registered Linux user 334501 
> 
> 
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-- 
Frank Lienhard <[email protected]>

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AlienVault Unified Security Management (USM) platform delivers complete
security visibility with the essential security capabilities. Easily and
efficiently configure, manage, and operate all of your security controls
from a single console and one unified framework. Download a free trial.
http://p.sf.net/sfu/alienvault_d2d