MODx 2.0.0 beta5 TinyMCE 3.2.7

I’m testing in a sandbox this new relase but i’ve the same problem of this topic: http://modxcms.com/forums/index.php/topic,42608.0.html
But like you can see the title i’ve istalled the beta5.

In system settings i can view options use_editor and wich_editor with correct value, also editing a resource i can see the button "toggle rich text" but it doesn’t work.

Browsing directories assets/components and core/components I haven’t found TinyMCE’s dir

Some permissions problem?

Quote from: Simone at Jan 04, 2010, 02:19 PM

Some permissions problem?

Most likely; make sure core/components/ and assets/components/ are writable by the webserver. Then try reinstalling TinyMCE.

but if this is the reason I couldn’t install nothing.
I’ve installed without problems other packages like ditto wayfinder a theme.
tomorrow morning I check the permissions in mentioned dirs