Hi, <br>We need a little more information to help you.  You can find guidelines for posting to the mailing list at <a href="http://www.ros.org/wiki/Support">http://www.ros.org/wiki/Support</a> <br><br>Some specific questions.   What displays on the screen? When you say it &quot;blocks&quot; your OS what does that mean?  What happens if you wait?  How long do you wait?  What sort of machine are you running? (CPU, Memory)  What version of ROS are you using?<br>

<br>Tully<br><br><div class="gmail_quote">On Fri, Oct 8, 2010 at 2:00 AM, lucaghera <span dir="ltr">&lt;<a href="mailto:lucaghera8@gmail.com">lucaghera8@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">

<br>
Hi,<br>
<br>
I&#39;ve a problem concerning the installation of rviz.<br>
Whene I type : &quot;rosmake rviz&quot; it starts to make all the related packages but<br>
when is the moment of rviz it takes a very long time and then it blocks the<br>
OS.<br>
I&#39;m using X-Ubuntu 10.4.<br>
<br>
Does someone know a solution?<br>
<font color="#888888">--<br>
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</font></blockquote></div><br><br clear="all"><br>-- <br>Tully Foote<br>Systems Engineer<br>Willow Garage, Inc.<br><a href="mailto:tfoote@willowgarage.com">tfoote@willowgarage.com</a><br>(650) 475-2827<br>