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    <div class="moz-cite-prefix">On your Windows system:<br>
      <br>
      What X server are you using [1]? Xming?<br>
      Do you have the "Enable X11 Forwarding" box checked in PuTTY [2]?<br>
      <br>
      On the cluster:<br>
      <br>
      Is X11 forwarding (like X11Forwarding or ForwardX11 or
      ForwardX11Trusted) set to Yes [1,3,4]?<br>
      What Mesa (or OpenGL) did you compile XCrySDen with [5]?<br>
      Did you try "export LIBGL_ALWAYS_INDIRECT=1" [6,7]?<br>
      <br>
      [1]
<a class="moz-txt-link-freetext" href="http://superuser.com/questions/119792/how-to-use-x11-forwarding-with-putty/119908#119908">http://superuser.com/questions/119792/how-to-use-x11-forwarding-with-putty/119908#119908</a><br>
      [2]
<a class="moz-txt-link-freetext" href="https://wiki.utdallas.edu/wiki/display/FAQ/X11+Forwarding+using+Xming+and+PuTTY">https://wiki.utdallas.edu/wiki/display/FAQ/X11+Forwarding+using+Xming+and+PuTTY</a><br>
      [3]
<a class="moz-txt-link-freetext" href="http://lists.mindrot.org/pipermail/openssh-unix-dev/2004-March/020658.html">http://lists.mindrot.org/pipermail/openssh-unix-dev/2004-March/020658.html</a><br>
      [4]
<a class="moz-txt-link-freetext" href="https://padraic2112.wordpress.com/2007/07/09/bad-security-201-remote-x-sessions-over-ssh/">https://padraic2112.wordpress.com/2007/07/09/bad-security-201-remote-x-sessions-over-ssh/</a><br>
      [5] <a class="moz-txt-link-freetext" href="https://trac.macports.org/ticket/41320">https://trac.macports.org/ticket/41320</a><br>
      [6]
      <a class="moz-txt-link-freetext" href="http://www.democritos.it/pipermail/xcrysden/2014-August/001642.html">http://www.democritos.it/pipermail/xcrysden/2014-August/001642.html</a><br>
      [7] <a class="moz-txt-link-freetext" href="http://www.straightrunning.com/xmingnotes/trouble.php#head-19">http://www.straightrunning.com/xmingnotes/trouble.php#head-19</a><br>
      <br>
      On 4/9/2016 9:14 AM, Elio Physics wrote:<br>
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        <p>Dear all,</p>
        <p><br>
        </p>
        <p>I have compiled and configure XCRYSDEN successfully. However
          when I type xcrysden, and after a while, the window does not
          open and I get the error:</p>
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        </p>
        <p>Running on platform : unix<br>
             Operating system : Linux<br>
          Package ImageMagick's convert: /usr/bin/convert<br>
          Package ImageMagick's import: /usr/bin/import<br>
          Package Gifsicle: /usr/bin/gifsicle<br>
          Package Ppmtompeg: /usr/bin/ppmtompeg<br>
          Package Babel: /usr/bin/babel<br>
          Package Xwd: /usr/bin/xwd<br>
          Executing: /usr/lib64/xcrysden/bin/ftnunit<br>
          X Error of failed request:  BadWindow (invalid Window
          parameter)<br>
            Major opcode of failed request:  3 (X_GetWindowAttributes)<br>
            Resource id in failed request:  0xffffffff<br>
            Serial number of failed request:  786<br>
            Current serial number in output stream:  787<br>
        </p>
        <p><br>
        </p>
        <p>Can anyone help me on this? I am using PuTTY to access the
          cluster where XCRYSDEN is.</p>
        <p><br>
        </p>
        <p>Thank you</p>
        <p><br>
        </p>
        <p>Elio moujaes</p>
        <p>University of Rondonia Brazil<br>
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