If you want a simple Boinc gui monitor for linux try Boincgui.  Seems to
work okay without problems.
http://www.davidzilch.co.uk/boincgui/
There is also a linux command line Boincstat available, see link at bottom
of page.

Other monitors for windoze.
http://www.seti-nl.org/content.php?c=boinc_downloads&language=1