Server 500 on joomla 1.7.2 installing comprofiler

I get this two errors trying to install the CB 1.4 by uploading com_comprofiler.zip to joomla 1.7.2



[Thu Oct 20 13:56:17 2011] [error] [client 81.219.176.65] PHP Notice: Trying to get property of non-object in <span>/</span>var<span>/</span>www/administrator/components/com_comprofiler/plugin.foundation.php on line 3222, referer: noite.pl/administrator/index.php?option=com_installer

[Thu Oct 20 13:56:17 2011] [error] [client 81.219.176.65] PHP Fatal error: Call to a member function getCfg() on a non-object in <span>/</span>var<span>/</span>www/administrator/components/com_comprofiler/plugin.foundation.php on line 3228, referer: noite.pl/administrator/index.php?option=com_installer


Can someone help me with this!!!:

Just found cb 1.7, forget this first post :whistle:

And now help me with this: Just installed cb 1.7 all went well but it wont show on the component menu. Why?

Again I solved it after some time.