I have a problem with cygwin's running

[Bernardi Simone]

I have written startx and than it is appear this message, how can I do?
 
 
Cygwin/X
 
A fatal error has occurred and Cygwin/X will not exit.
Please open /tmp/XWin.log for more information.
 
Vendor: Thhe Cygwin/X Project
Release: 6.8.2.0-4
Contact: cygwin-xfree@cygwin.com
XWin was started with the following command-line:
 
X :0 -multiwindow -clipboard

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