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Description of problem:
I'm a newby and after toying with the chkconfig options (trying to get
rid of some starting services), I found myself unable to boot the
system: the screen would start to flicker while trying to start X.
Anyway, I tried to reinstall it, using the "upgrade an existing
installation"/"update the boot loader settings", just when the screen
finished displaying a box reading something like "installation image
transfer on hd", this is what I got: 

Traceback (most recent call last):
File "/usr/lib/anaconda/gui.py", line 1057,in handleRenderCallback
	self.currentWindow.renderCallback()
File "/usr/lib/anaconda/iw/progress_gui.py", line 242, in renderCallback
	self.intf.icw.netClicked()
File "/usr/lib/anaconda/gui.py", line 772, in nextClicked
	self.dispatch.gotoNext()
File "/usr/lib/anaconda/dispatch.py", line 169, in gotoNext
	self.moveStep()
File "/usr/lib/anaconda/dispatch.py", line 237, in moveStep
	rc = apply(func, self.bindArgs(args))
File "/usr/lib/anaconda/packages.py", line 737, in doPreinstall
	os.mkdir(instPath + "/selinux")
OSError: [Errno 17] Le fichier existe.: '/mnt/sysimage/selinux'

And I've not been able to use the linux rescue option either, it just
kills all the processes and tell me I can reboot...

I hope it helps!

Bruno

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Using the "upgrade an existing installation" option while
installing FC3 T2
2.
3.
    

Actual Results:  got the error box detailed above

Additional info: