[xwiki-users] Unsuccessfully graphviz display

Hi, I keep getting this error when I try to use the graphviz plugin. Does anyone know why this occurs? graphviz: CreateProcess: dot -Tgif "C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\xwiki\dot\dot-1811682563.dot" -o "C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\xwiki\dot\dot-1811682563.gif" error=2 Thanks, ssh