Xwindow displayed on my PC

I installed the  FreeXer application on my PC so that I may be able to display/redirect Unix Xwindow screens to my PC. I setup FreeXer to use Putty to SSH into the Unix box so I may then start the Xwin application. As a test I try to run xclock on Unix box but no matter how I set things up it always results in "Error:Can't open display".
I've tried to export the display by
DISPLAY=10.9.146.14:0.0
export DISPLAY
but it doesn't help.

In PuTTy I have ticked off the "Enable X11 Forwarding but it doesn't help

Anybody know how to solve? The PC and Unix box are plugged into a simple 8 port hub so there shouldn't be any routing or protocol issues between PC and Unix box.

LinkAsked:
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yuzhCommented:
Check your ssh server (on the Unix side) to make sure X11 forwarding is enable. if you modify the sshd configuration file in the *nix box, you need to restart sshd.
check your Putty setting against the instructions in the following doc:
http://cc.jlab.org/docs/services/windows/X11/
 When you try to use the remote application, start X server on your PC in the background, then start Putty and remote login to the *nix box.
 
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LinkAuthor Commented:
How do I check if X11 forwarding is enabled on the Unic box?
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omarfaridCommented:
check the sshd config. file (usually under /etc dir or the sshd installation dir). What is your unix platform? and which ssh server are you using?
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